LAPD Reopens Case of Suspected Cop-Killer's Firing

The Los Angeles Police Department announced today it will reopen the case of the firing of Christopher Dorner, but said the decision was not made to "appease" the fugitive former cop suspected of killing three people.

Dorner, a fired and disgruntled former Los Angeles police officer, said in the so-called "manifesto" he released that he was targeting LAPD officials and their families and will keep killing until the truth is known about his case.

"I have no doubt that the law enforcement community will bring to an end the reign of terror perpetrated on our region by Christopher Jordan Dorner and he will be held accountable for his evil actions," LAPD Chief Charlie Beck said in a statement released tonight.

He spoke of the "tremendous strides" the LAPD has made in regaining public trust after numerous scandals, but added: "I am aware of the ghosts of the LAPD's past and one of my biggest concerns is that they will be resurrected by Dorner's allegations of racism within the Department."

To do that, he said, full re-investigation of the case that led to Dorner's firing is necessary.

"I feel we need to also publicly address Dorner's allegations regarding his termination of employment, and to do so I have directed our Professionals Standards Bureau and my Special Assistant for Constitutional Policing to completely review the Dorner complaint of 2007; To include a re-examination of all evidence and a re-interview of witnesses," he said. "We will also investigate any allegations made in his manifesto which were not included in his original complaint.

Irvine Police Department/AP Photo

Christopher Dorner Search: Officials Search for Ex-officer in the Mountains Watch Video

Hundreds of Officers on Hunt for Alleged Cop Killer Watch Video

"I do this not to appease a murderer. I do it to reassure the public that their police department is transparent and fair in all the things we do."

PHOTOS: Former LAPD Officer Suspected in Shootings

As police searched for Dorner today in the San Bernardino Mountains, sources told ABC News that investigators found two AR-15 assault rifles in the burned-out truck Dorner abandoned.

The truck had a broken axle, which may be the reason he decided to set fire to it, the police sources said.

A man identifying himself as Dorner taunted the father of Monica Quan four days after the former LAPD officer allegedly killed her and just 11 hours after he allegedly killed a police officer in Riverside, Calif., according to court documents obtained by ABC News

A man claiming to be Dorner called Randall Quan and told him that that he "should have done a better job of protecting his daughter," according to the documents.

In his 6,000-word "manifesto," Dorner named Randal Quan, a retired LAPD captain and attorney who represented him before a police review board that led to Dorner's dismissal from the force.

"I never had an opportunity to have a family of my own, I'm terminating yours," Dorner wrote, and directed Quan and other officials to "[l]ook your wives/husbands and surviving children directly in the face and tell them the truth as to why your children are dead."

Monica Quan and her fiancé Keith Lawrence were gunned down last Sunday in their car in the parking of their Irvine, Calif., condominium complex. Both were struck with multiple gunshot wounds.

The call, according to court records, was traced to Vancouver, Wash., but law enforcement officials do not believe Dorner was there at the time at the call.

Dorner is believed to have made the call early Thursday afternoon, less than half a day after he is suspected of killing a police officer and wounding two others early that morning, sparking an unprecedented man hunt involving more than a thousand police officers and federal agents spanning hundreds of miles.

FULL COVERAGE: Christopher Jordan Dorner

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Data-wiping algorithm cleans your cellphone

Paul Marks, chief technology correspondent

Mailing your cellphone to a recycling company might make you a few pounds, but it can leave you at risk of identity theft. The deletion techniques recycling companies use are meant for hard discs, and so don't work on the solid-state flash memory used in mobile phones. That means personal data like banking info, texts, contacts and pictures can end up in the hands of, well, anyone the phone ends up with.  

To remedy the problem, British company BlackBelt Smartphone Defence of Skelmersdale, Lancashire claims to have developed a software algorithm that can securely delete data on cellphone memory chips. The trouble with data in a flash memory chip is that it is protected by an on-chip protection algorithm called the wear leveller. This hard-coded routine does its best to ensure the chip's lifetime is maximised so that each memory cell's ability to store charge is not worn out.

"The problem is that the wear-levelling algorithm ends up working
against the data wiping technique used for hard drives, which tries to
overwrite all the data,"
says the company's Ken Garner.

What the firm has done is write their own algorithm, called BlackBelt DataWipe, that works with,
rather than against, the leveller routine to render data
irrecoverable. "It is like having a shredder for personally identifiable
data," says Garner.

However, they don't yet know if their method is proof against sophisticated, nation-state level attacks - which might use electron microscopes
to read the last vestiges of the zeros and ones on a memory chip. "I imagine
if you're GCHQ you'll probably have technology that could get around
this and recover it in some way," says Garner.

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Nursing is a profession, not a job just anybody can do: doctor

SINGAPORE: Singapore's Director of Medical Services in the Ministry of Health has paid tribute to the role of nurses in Singapore's healthcare system.

Writing on the Health Ministry's Facebook page, Professor K Satkunanantham said he had to write the post as a doctor and as the Director of Medical Services, because of the events that unfolded over the last couple of days.

He stressed that nursing is not a job that just anybody can do - it is a profession.

Prof Satku explained that it takes a special kind of person to be a nurse - someone who is compassionate, caring, and who is willing to put the interests of others above their own.

He said nurses are often specially trained, and need to keep up with new developments in their field.

They work in difficult situations, and have to remain professional in the face of challenges.

As a surgeon, Prof Satku said he has worked with very highly-trained nurses, without whom much of his work would have been impossible.

In the operating theatre, nurses ensure that the most complex operations are carried out smoothly.

In the wards, nurses work to ensure the well-being of patients and continue to do so long after everyone else has gone home.

Prof Satku said nurses are often under-appreciated and taken for granted.

He said Singapore's healthcare system would not function without nurses as hospitals, clinics and hospices rely on them.

Prof Satku thanked all those in the nursing profession.

On Friday, on the concluding day of the debate on the White Paper, Deputy Prime Minister Teo Chee Hean issued a corrigendum to the document in Parliament in relation to footnote 12 on page 40 of the White Paper.

The footnote included two sentences - "Certain low-skilled jobs like personal services, retail, and nursing are hard to offshore. They will still be needed even as the economy upgrades".

Mr Teo said this segment will be deleted.

Mr Teo said this classification of low-skilled jobs is not correct and apologised to those whose professions have been unintentionally misrepresented.

Mr Teo said he personally has the greatest respect for the nursing profession. He said it is a noble and caring profession that all depend on and appreciate.

Mr Teo said the matter was brought to his attention by friends in the nursing profession and unions.

- CNA/xq

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Rogue ex-cop is armed, trained, out there somewhere

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

STORY HIGHLIGHTS

• As darkness and snow falls, police scale back manhunt until Saturday


• "The possibility exists that he is here, somewhere in the forest," official says


• Christopher Dorner may have as many as 30 guns with him, a source says


• Dorner is trained in counterinsurgency and intelligence, the source says

Big Bear Lake, California (CNN) -- The ex-cop suspected in the killings of an officer and two others remained at large Friday as darkness fell over a mountain forest and police suspended their manhunt until Saturday morning.

"Once it gets dark out there and the snow keeps falling and they have no air support, I don't know how effective they would be in that situation," spokeswoman Cindy Bachman of the San Bernardino County Sheriff's Department said.

Throughout Friday, more than 100 officers searched through fresh snow for clues to the whereabouts of Christopher Jordan Dorner, 33, a fired Los Angeles Police Department officer and former Navy lieutenant suspected in the three killings.

Dorner allegedly wrote a manifesto declaring a war of revenge on police, authorities said.

By Friday night, police were expected to have completed a search of vacant cabins in the snowpacked forest of the San Bernardino Mountains near the resort town of Big Bear Lake, Bachman said.

Police on Thursday searched 400 homes in the Big Bear Lake area and were completing searches of 200 more on Friday, she said. Overnight patrols in the town were to be beefed up with 12 extra two-officer teams, she said.

"The search is continuing," Bachman said. "First of all, they have to rest. They have been going at this for two days."

Police teams were dressed in snow gear, holding the trigger guards on their assault-style rifles while scouring eight square miles near Big Bear Lake, a popular skiing area two hours east of Los Angeles.

The mountains were the focus of Friday's search effort because police had found Dorner's burned-out pickup truck a day earlier near the resort community.

The truck had a broken axle, which would have prevented the vehicle from moving, and footprints appear to show that Dorner doubled back into the community, said a source with knowledge of the investigation.

It was unclear where Dorner may have gone from there or by what means, the source said.

But Bachman told reporters Friday: "The possibility exists that he is here, somewhere in the forest, so we're going to keep looking...until we determine that he's not here."

Guns found in the truck were also burned, but authorities believe Dorner may have as many as 30 guns with him, the source said. Dorner was in the Navy and is trained in counterinsurgency and intelligence, the source said.

Two inches of snow Friday coated the mountaintop pine trees and roads around Big Bear Lake, leading motorists to use tire chains. Up to six more inches were expected. But the snow was regarded as a godsend because tracking a man on the run would be easier, authorities said.

Despite the intense search, authorities allowed nearby ski resorts to remain open Friday because they don't believe Dorner is in Big Bear Lake. At one point, a smiling snowboarder whizzed by police and media, seemingly oblivious to an ongoing news conference and the seriousness of the manhunt.

Jay Obernolte, mayor of Big Bear Lake community, described Friday as having "a beautiful winter morning." Residents weren't fearful, he said, adding that "many of the people here are armed."

"Is there panic in our community?" Obernolte asked reporters rhetorically. "No, there is no panic. We're a hardy people in the San Bernardino Mountains."

San Bernardino County Sheriff John McMahon said the snowfall slowed some searching done by foot, but police pushed onward.

"The snow is great for tracking folks, as well as looking at each individual cabin to see if there's any sign of forced entry," McMahon said.

"We're going to continue searching until we either discover he left the mountain or we find him," he added. "It's extremely dangerous."

Related: Manhunt leaves LAPD officers 'tense'

The county jail in downtown Los Angeles was in lockdown Friday as a precaution after a civilian female employee of the Twin Towers Correctional Facility spotted someone fitting Dorner's description, said Los Angelese County sheriff's spokesman Steve Whitmore.

U.S. Navy installations throughout California and Nevada were "maintaining a heightened security posture," a U.S. military official told CNN.

"Security personnel are on the lookout" for Dorner, the official said. The measure was ordered overnight by Rear Adm. Dixon Smith, commander of the Navy's southwest region.

The official declined to discuss security procedures, but said the move was made after it became clear that Dorner earlier this week gained access to the Naval Base at Point Loma and stayed in a motel there.

Two sailors reported that he approached them Wednesday and spoke with them for about 10 minutes. The conversation took place at a coastal "riverine" unit in San Diego where Dorner served in 2006. As a Navy reservist, Dorner held security jobs with that unit.

The Navy is not certain whether Dorner still possesses any military identification he might try to use to enter a facility. The official said an investigation is under way to determine what military identification he might have.

Dorner underwent flight training in 2009 at Naval Air Station Fallon in Nevada before serving in San Diego.

In La Palma, California, about 22 miles southeast of Los Angeles, police searched Friday the home of Dorner's mother, where she and a daughter were cooperating with investigators, said Lt. Bill Whalen of the Irvine Police Department.

Related: Dorner's grudge dates back to 2007

The 270-pound former Navy lieutenant promised to bring "unconventional and asymmetrical warfare" to police officers and their families, calling it the "last resort" to clear his name and retaliate at a department that he says mistreated him.

Dorner is wanted in the killings on Sunday of two people in Irvine and in the shooting of three Los Angeles-area police officers Thursday, one of whom died.

One of the victims of the Irvine killings, Monica Quan, was the daughter of the retired police officer who represented Dorner in his efforts to get his job back, police said.

"My opinion of the suspect is unprintable," Riverside police Chief Sergio Diaz said, hours after one of his officers was killed. "The manifesto, I think, speaks for itself (as) evidence of a depraved and abandoned mind and heart."

Related: Timeline of events

Here's what is known so far:

-- Dorner, who worked as an LAPD officer from 2005 to 2008, is accused of killing Quan and her fiance Sunday in Irvine, then shooting two Riverside police officers and an LAPD officer Thursday. Police say he unleashed numerous rounds at the Riverside officers, riddling their car with bullets and killing a 34-year-old officer. The second officer in the car was seriously wounded, and the LAPD officer suffered only minor injuries, police said.

-- In a lengthy letter provided by police, Dorner said he had been unfairly fired by the LAPD after reporting another officer for police brutality. He decried what he called a continuing culture of racism and violence within the department, and called attacks on police and their families "a necessary evil that I do not enjoy but must partake and complete for substantial change to occur within the LAPD and reclaim my name."

-- Leads have taken police from Los Angeles to San Diego to Las Vegas to Big Bear Lake, where police found the charred carcass of Dorner's gray pickup. Police had found no trace of him Friday, the San Bernadino County sheriff said. Trackers lost footprints believed to be Dorner's in a wooded area near the truck.

-- The LAPD and other agencies have gone to extremes to protect officers. Forty teams of officers were guarding people named as targets in Dorner's letter. On Thursday, one of the teams shot at a pickup that resembled Dorner's but turned out to be a Los Angeles Times newspaper delivery vehicle.

-- Despite Dorner's statement in the letter that "when the truth comes out, the killing stops," Los Angeles police Chief Charlie Beck said authorities don't plan to apologize to Dorner or attempt to clear his name. Dorner's firing, Beck said Thursday, had already been "thoroughly reviewed."

-- In Nevada on Thursday, FBI agents searched Dorner's Las Vegas home. The search forced some of Dorner's neighbors out of their homes for several hours, CNN affiliate KLAS reported.

"It's too close to home. It's kind of scary," neighbor Dan Gomez told KLAS.

A message to the media

In addition to posting his manifesto online, Dorner mailed a parcel to AC360 Anchor Anderson Cooper's office at CNN in New York.

The package arrived on February 1 and was opened by Cooper's assistant. Inside was a hand-labeled DVD, accompanied by a yellow Post-it note reading, in part, "I never lied" -- apparently in reference to his 2008 dismissal from the LAPD.

The package also contained a coin wrapped in duct tape. The tape bears the handwritten inscription: "Thanks, but no thanks, Will Bratton." It also had letters that may be read as "IMOA," which could be a commonly used Internet abbreviation for "Imagine a More Open America," or possibly "1 MOA," which means one minute of angle, perhaps implying Dorner was accurate with a firearm.

The coin is a souvenir medallion from former LAPD Chief William Bratton, of a type often given out as keepsakes. This one, though, was shot through with bullet holes: three bullet holes to the center and one that nicked off the top.

The editorial staff of AC360 and CNN management were made aware of the package Thursday. Upon learning of its existence, they alerted Bratton and law enforcement.

Bratton headed the LAPD at the time Dorner was dismissed.

CNN's Michael Pearson, AnneClaire Stapleton, Deborah Feyerick, Sara Weisfeldt, Barbara Starr, Pete Janos, Mallory Simon, Brad Lendon, Deanna Hackney, Greg Botelho and Dana Ford contributed to this report. Paul Vercammen reported from Big Bear Lake and Michael Martinez reported and wrote in Los Angeles.

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In letter, Sue Paterno defends late husband

STATE COLLEGE, Pa. Breaking more than a year of silence, Sue Paterno is defending her late husband as a "moral, disciplined" man who never twisted the truth to avoid bad publicity.

The wife of the former Penn State coach is fighting back against the accusations against Joe Paterno that followed the Jerry Sandusky scandal. Her campaign started with a letter sent Friday to former Penn State players.

She wrote that the family's exhaustive response to former FBI director Louis Freeh's report for the university on the Sandusky child sex abuse case will officially be released to the public at 9 a.m. Sunday on paterno.com.

Freeh in July accused Joe Paterno and three university officials of covering up allegations against Sandusky, a retired defensive coordinator. Less than two weeks later, the NCAA levied unprecedented sanctions on the program that Joe Paterno built into one of the most well-known in college football.

"When the Freeh report was released last July, I was as shocked as anyone by the findings and by Mr. Freeh's extraordinary attack on Joe's character and integrity. I did not recognize the man Mr. Freeh described," Sue Paterno wrote. "I am here to tell you as definitively and forcefully as I know how that Mr. Freeh could not have been more wrong in his assessment of Joe."

The family directed its attorney, Washington lawyer Wick Sollers, to assemble experts to review Freeh's findings and Joe Paterno's actions, Sue Paterno wrote.

She did not offer details on findings in the letter, "except to say that they unreservedly and forcefully confirm my beliefs about Joe's conduct.

"In addition, they present a passionate and persuasive critique of the Freeh report as a total disservice to the victims of Sandusky and the cause of preventing child sex offenses," Sue Paterno wrote.

Sue Paterno said neither Freeh's report, nor the NCAA's actions, should "close the book" on the scandal.

"This cannot happen," she wrote. "The Freeh report failed and if it is not challenged and corrected, nothing worthwhile will have come from these tragic events."

In a statement released through a spokesman, Penn State called Sue Paterno "an important and valued member of the Penn State community.

25 Photos

Joe Paterno, 1926-2012

"We have and continue to appreciate all of her work on behalf of the university," the school said. "She has touched many lives and continues to be an inspiration to many Penn Staters."

The Associated Press left messages Friday for representatives for Freeh.

Sandusky's arrest in November 2011, triggered the sweeping scandal, including the firing of Paterno and the departure under pressure of Graham Spanier as president days later. Prosecutors filed perjury and failure to report charges against former athletic director Tim Curley and retired vice president Gary Schultz.

Sandusky, 69, was sentenced last fall to at least 30 years in prison in after being convicted in June on 45 criminal counts. Prosecutors said allegations occurred on and off campus.

"The crimes committed by Jerry Sandusky are heartbreaking," Sue Paterno, who has five children and 17 grandchildren, wrote. "It is incomprehensible to me that anyone could intentionally harm a child. I think of the victims daily and I pray that God will heal their wounds and comfort their souls."

Freeh released his findings the following month. His team conducted 430 interviews and analyzed over 3.5 million emails and documents, his report said.

"Taking into account the available witness statements and evidence, it is more reasonable to conclude that, in order to avoid the consequences of bad publicity, the most powerful leaders at Penn State University — Messrs. Spanier, Schultz, Paterno and Curley — repeatedly concealed critical facts relating to Sandusky's child abuse" from authorities, trustees and the university community, Freeh wrote in releasing the report.

Less than two weeks later, Penn State hastily took down the bronze statue of Paterno outside Beaver Stadium. The next day, the NCAA said Freeh's report presented "an unprecedented failure of institutional integrity leading to a culture in which a football program was held in higher esteem."

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Northeast Shuts Down as Blizzard Batters Millions

A blizzard of possibly historic proportions battered the Northeast Friday into Saturday, and forecasters feared as much as two feet of snow and strong winds could shut down densely populated cities such as New York and Boston, where cars were ordered off the streets.

State officials declared states of emergencies throughout the region, and utilities estimated more than a half-million customers were without power by late Friday night.

Some wondered if the storm could top Boston's all-time single-storm snowfall record of 27.6 inches, set in 2003.

By 9 p.m. Friday, according to the National Weather Service, the storm was spinning off the coast of Long Island, N.Y., and expected to move north-northeastward past New England's coast before its effects tapered off on Saturday afternoon.

"Storm total snowfall accumulations of 1 to 2 feet ... with locally higher amounts are possible across much of the Northeast," the National Weather Service said. "The heaviest snow is forecast to fall across parts of eastern Massachusetts ... Connecticut and Rhode Island where snowfall amounts higher than two feet are possible. In addition to the heavy snowfall ... wind gusts as high as 70 mph are possible ... especially near the coasts."

By 9 p.m. Friday, parts of Connecticut and New York had the highest actual snowfall totals listed by the National Weather Service, with 13 inches measured in Ogdensburg and East Setaukey, N.Y., and Lisbon and North Branford, Conn.

Peak wind gusts included a 71-mph measurement in Buzzards Bay, Mass., the National Weather Service said.

Power outages also were reported across the region. As of 11 p.m. Friday, for instance, approximately 300,000 Massachusetts customers were without power, ABC News station WCVB reported. Utilities also reported approximately 170,000 without power in Rhode Island, 30,000 in Connecticut and nearly 20,000 in New York.

The blizzard conditions came together after a storm from the west joined forces with one from the south to form a nor'easter.

Hurricane Sandy Victims Hit Again, Survivors Prepare for Worst Watch Video

Weather Forecast: Blizzard Headed for Northeast Watch Video

The storm showed the potential for such ferocity that, before it even hit with full force, Massachusetts Gov. Deval Patrick declared a state of emergency Friday afternoon and signed an executive order banning vehicular traffic on roads in his state effective at 4 p.m. ET. It was believed that the last time the state enacted such a ban was during the blizzard of 1978. Violating the ban could result in a penalty of up to a year in jail and a $500 fine.

"[It] could definitely be a historic winter storm for the Northeast," said Adrienne Leptich of the National Weather Service in Upton, N.Y. "We're looking at very strong wind and heavy snow and we're also looking for some coastal flooding."

Airlines began shutting down operations Friday afternoon at major airports in the New York area as well as in Boston, Portland, Maine, Providence, R.I., and other Northeastern airports. By early evening Friday, more than 4,300 flights had been cancelled on Friday and Saturday, according to FlightAware. Airlines hoped to resume flights by Saturday afternoon, though normal schedules were not expected until Sunday.

The snow fell heavily Friday afternoon in New York City. Mayor Michael Bloomberg said clearing the roads was his main concern, and the city readied 1,700 snow plows and 250,000 tons of salt to clear the streets.

New York City was expecting up to 14 inches of snow, which started falling early this morning, though the heaviest amounts were expected to fall at night and into Saturday. Wind gusts of 55 mph were expected in New York City.

"Stay off the city streets. Stay out of your cars and stay at home while the worst of the storm is on us," Bloomberg said Friday.

Connecticut Gov. Dannel P. Malloy declared a state of emergency, deploying National Guard troops across the state to assist in rescues and other emergencies. Schools and state courthouses were closed, and all flights after 1:30 p.m. at Bradley Airport, north of Hartford, Conn., were cancelled. The state's largest utility companies planned for the possibility that 30 percent of customers -- more than 400,000 homes and businesses -- would lose power.

Malloy also directed drivers to stay off the state's major highways.

"Please stay off of 95, 91, 84, Merritt Parkway and any other limited-access road in the state," he said Friday evening.

PHOTOS: Northeast Braces for Snowstorm

Boston, Providence, R.I., Hartford, Conn., and other New England cities canceled school today.

"Stay off the streets of our city. Basically, stay home," Boston Mayor Tom Menino warned Thursday.

On Friday, Menino applauded the public's response.

"I'm very pleased with the compliance with the snow emergency," he said. "You drive down some of the roadways, you don't see one car."

Friday evening, Gov. Patrick also applauded the public's cooperation with the statewide vehicle ban, noting the clear roads were helping utility crews get their work done.

"It's been a great, great help and I thank everyone," Patrick said. "I know it's been an imposition."

As of 4:30 p.m. Friday, according to the Department of Defense, 837 National Guard soldiers and airmen under state control had been activated in Connecticut, Massachusetts and New York in anticipation of the storm -- 552 in Massachusetts, 235 in Connecticut and 50 in New York. The extra hands were helping with roadways, transportation, making wellness checks on residents and other emergency services.

Beach erosion and coastal flooding was possible from New Jersey to Long Island, N.Y., and into New England coastal areas. It was feared some waves off the coast could reach more than 20 feet.

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Robot inquisition keeps witnesses on the right track

MEMORY is a strange thing. Just using the verb "smash" in a question about a car crash instead of "bump" or "hit" causes witnesses to remember higher speeds and more serious damage. Known as the misinformation effect, it is a serious problem for police trying to gather accurate accounts of a potential crime. There's a way around it, however: get a robot to ask the questions.

Cindy Bethel at Mississippi State University in Starkville and her team showed 100 "witnesses" a slide show in which a man steals money and a calculator from a drawer, under the pretext of fixing a chair. The witnesses were then split into four groups and asked about what they had seen, either by a person or by a small NAO robot, controlled in a Wizard of Oz set-up by an unseen human.

Two groups - one with a human and one a robot interviewer - were asked identical questions that introduced false information about the crime, mentioning objects that were not in the scene, then asking about them later. When posed by humans, the questions caused the witnesses' recall accuracy to drop by 40 per cent - compared with those that did not receive misinformation - as they remembered objects that were never there. But misinformation presented by the NAO robot didn't have an effect.

"It was a very big surprise," says Bethel. "They just were not affected by what the robot was saying. The scripts were identical. We even told the human interviewers to be as robotic as possible." The results will be presented at the Human-Robot Interaction conference in Tokyo next month.

Bilge Mutlu, director of the Human-Computer Interaction Laboratory at the University of Wisconsin-Madison, suggests that robots may avoid triggering the misinformation effect simply because we are not familiar with them and so do not pick up on behavioural cues, which we do with people. "We have good, strong mental models of humans, but we don't have good models of robots," he says.

The misinformation effect doesn't only effect adults; children are particularly susceptible, explains the psychologist on the project, Deborah Eakin. Bethel's ultimate goal is to use robots to help gather testimony from children, who tend to pick up on cues contained in questions. "It's a huge problem," Bethel says.

At the Starkville Police Department, a 10-minute drive from the university, officers want to use such a robotic interviewer to gather more reliable evidence from witnesses. The police work hard to avoid triggering the misinformation effect, says officer Mark Ballard, but even an investigator with the best intentions can let biases slip into the questions they ask a witness.

Children must usually be taken to a certified forensic child psychologist to be interviewed, something which can be difficult if the interviewer works in another jurisdiction. "You might eliminate that if you've got a robot that's certified for forensics investigations, and it's tough to argue that the robot brings any memories or theories with it from its background," says Ballard.

The study is "very interesting, very intriguing", says Selma Sabanovic, a roboticist at Indiana University. She is interested to see what happens as Bethel repeats the experiment with different robot shapes and sizes. She also poses a slightly darker question: "How would you design a robot to elicit the kind of information you want?"

This article appeared in print under the headline "The robot inquisition"

It's all about how you say it

When providing new information, rather than helping people recall events (see main story), a robot's rhetoric and body language can make a big difference to how well it gets its message across.

Bilge Mutlu of the University of Wisconsin-Madison had two robots compete to guide humans through a virtual city. He found that the robot which used rhetorical language drew more people to follow it. For example, the robot saying "this zoo will teach you about different parts of the world" did less well than one saying "visiting this zoo feels like travelling the world, without buying a plane ticket". The work will be presented at the Human-Robot Interaction conference in Tokyo next month.

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Part of Circle Line to close on 17 March, shuttle service to be provided

SINGAPORE: The stretch between the Mountbatten and Dakota stations on the Circle Line (CCL) will not be operational on Sunday 17 March, from 5.30am to 10am.

This is to allow engineers to continue doing cable replacement works.

The Land Transport Authority (LTA) and SMRT said train services between Mountbatten and Paya Lebar stations will run as a shuttle service during that period.

During the shuttle service, normal service trains will stop at either Mountbatten or Paya Lebar station.

Commuters continuing their journey on the CCL will need to alight at one of these two stations and board the shuttle train at the opposite platform.

Commuters can then get off at the other station and continue their journey on the normal service train.

LTA and SMRT said the cable replacement at all 30 CCL stations is expected to be completed by December 2013, about half a year earlier than the 18-month timeline previously announced.

Works are currently ongoing for the first phase covering CCL stations from Dhoby Ghaut to Esplanade.

This will be followed by stations from Mountbatten to Tai Seng, Promenade to Stadium, Bartley to Marymount, Caldecott to one-north and Kent Ridge to HarbourFront.

The last phase will involve cables along Marina Bay and Bayfront.

- CNA/xq

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Police converge on mountain town in hunt for cop killer

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

Ex-cop at center of California manhunt

STORY HIGHLIGHTS

• NEW: With snow coming, authorities continue to hunt for the suspect near Big Bear Lake


• Police believe former cop Christopher Jordan Dorner shot three officers, killing one


• This was days after he allegedly killed two people, one a retired LAPD officer's daughter


• In an 11-page manifesto, Dorner promises "war" on police and their families

Los Angeles (CNN) -- A former Los Angeles cop with military training vowed war against other men in blue Thursday, leaving one officer dead days after he allegedly killed two other people to begin a wave of retribution for being fired, police said.

The focus of the intensive, expansive manhunt is Christopher Jordan Dorner, a 270-pound former Navy lieutenant who has professed his venom against LAPD officers he claimed ruined his life by forcing him out of his dream job.

Dorner blames one retired officer for bungling his appeal to get his job back in an 11-page manifesto, in which he also complained of mistreatment by the LAPD. In that letter -- provided to CNN by an LAPD source -- he vowed to violently target police officers and their families, whoever and wherever they are.

"I will bring unconventional and asymmetrical warfare to those in LAPD uniform whether on or off duty," Dorner wrote.

"I never had the opportunity to have a family of my own, I'm terminating yours."

Authorities believe he followed through on his threats early Thursday by shooting a Riverside, California, police officer and two others. A day earlier, Irvine police named Dorner a suspect in the double slayings Sunday of a woman -- identified by Los Angeles police as the daughter of a retired LAPD officer -- and her fiance.

"My opinion of the suspect is unprintable," said Riverside police Chief Sergio Diaz, hours after one of his officers was killed. "The manifesto, I think, speaks for itself (as) evidence of a depraved and abandoned mind and heart."

The violence, as well as Dorner's background as a police officer and military trained marksman, left police on edge around Southern California.

In Torrance, LAPD officers guarding one of Dorner's alleged targets mistakenly opened fire on a blue pickup truck that resembled one Dorner was thought to be driving, said Los Angeles police Chief Charlie Beck.

The gunfire left two people wounded, Beck said. Torrance police also fired on another blue pickup, but no one was injured in that incident, according to a senior law enforcement source.

In downtown Los Angeles, police wearing body armor patrolled outside their own iconic headquarters.

Police have good reason to be fearful, the chief said.

"Of course, he knows what he's doing. We trained him," Beck said. "He was also a member of the armed forces. It is extremely worrisome and scary, especially to the officers involved."

The manhunt for Dorner spanned hundreds of miles and numerous counties. By Thursday afternoon, it was largely centered around Big Bear Lake -- about 100 miles east of Los Angeles -- where authorities found the truck the suspect allegedly used in the Riverside shooting.

KTLA: Manhunt for former cop after officers shot

Police confirmed that the vehicle, which was burnt out when it was found, belonged to Dorner by its vehicle identification number, San Bernardino County Sheriff John McMahon said.

This discovery spurred more officers to converge on the area to conduct beefed up patrols, staff checkpoints and go to every residence in the mountain community. McMahon acknowledged the fire may have been set as a diversionary tactic, though law enforcement isn't taking any chances. Early Thursday evening, he said that aerial and K9 searches on the ground will "continue as long as we can" -- though snow is coming -- and urged locals to be on alert.

"He could be anywhere at this point, and that's why we're searching door to door," the sheriff said.

1 cop dies in 'cowardly ambush'

It all started Sunday when Dorner allegedly killed two people in Irvine, according to police.

Police identified the victims as Monica Quan and her fiance Keith Lawrence.

Quan, 27, was the daughter of retired Los Angeles police Officer Randal Quan, LAPD Officer Tenesha Dobine told CNN. In his manifesto, Dorner said Quan handled his appeal.

On Tuesday, Dorner checked into the Navy Gateway Inns and Suites on San Diego's large naval base, Cmdr. Brad Fagan said.

Dorner likely had access to the hotel because he'd been honorably discharged from the Navy Reserve, said the Navy spokesman. Having retired February 1 as a lieutenant, Dorner worked with mobile inshore undersea warfare units and provided security on oil platforms in Iraq, according to Pentagon records. He was rated as a rifle marksman and pistol expert.

"He did not physically check out" Wednesday as expected, Fagan told reporters.

Police in San Diego say a man who could have been Dorner tried to hijack a boat there on Wednesday. Someone later found a wallet containing Dorner's identification and an LAPD detective's badge near the San Diego airport, according to police. It was unclear whether the badge was legitimate.

Timeline in manhunt for former L.A. cop

By about 1 a.m. Thursday, the scene had shifted about 100 miles north to Corona, California.

There, a pair of LAPD officers on a protection detail were flagged down by a citizen who reported seeing the suspect's vehicle, LAPD Deputy Chief Jose Perez said.

The officers chased the vehicle and caught up to it on an Interstate 15 off-ramp.

"The officers were fired upon with a shoulder weapon," Perez said, with one of them suffering a "graze wound" to his head. The police returned fire, while the suspect set off once again.

About 20 minutes later, two police officers were in their car at a stop light in Riverside when Dorner allegedly pulled up beside them.

That driver unleashed "multiple rounds" from a rifle at the officers, riddling the cop car with bullets and leaving a 34-year-old officer, who had been on the Riverside force for 11 years, dead, according to Diaz. The other officer, 27, was "seriously wounded but we expect a full recovery," the Riverside police chief said.

KCBS: Riverside officer fatally shot

It was "a cowardly ambush," said Diaz, claiming Dorner has "no connection" to his city.

A good Samaritan picked up one of their police radios and called dispatchers to send help, Riverside police said.

Suspect calls attacks 'a necessary evil'

In addition to posting his manifesto online, Dorner reached out directly to CNN, mailing a parcel to AC360 anchor Anderson Cooper's office at CNN in New York.

The package arrived on February 1 and was opened by Cooper's assistant. Inside was a hand-labeled DVD, accompanied by a yellow Post-it note reading, in part, "I never lied" -- apparently in reference to his 2008 dismissal from the LAPD.

The package also contained a coin wrapped in duct tape. The tape bears the hand-written inscription: "Thanks, but no thanks, Will Bratton." It also had letters that may be read as "IMOA", which could be a commonly used Internet abbreviation for "Imagine a More Open America," or possibly "1 MOA," which means one minute of angle, perhaps implying Dorner was notably accurate with a firearm.

The coin is a souvenir medallion from former LAPD Chief William Bratton, of a type often given out as keepsakes. This one, though, was shot through with bullet holes: three bullet holes to the center and another shot nicked off the top.

The editorial staff of AC360 and CNN management were made aware of the package Thursday. Upon learning of its existence, they alerted Bratton and law enforcement.

Bratton headed the LAPD at the time Dorner was dismissed.

The dispute centers on a 2007 incident in San Pedro involving a man's arrest at a DoubleTree hotel. Two weeks later, Dorner accused his training officer of kicking the man after he'd given up.

The investigators' report said "the delay in reporting the alleged misconduct coupled with the witness' statements irreparably destroy Dorner's credibility." The report cited contradictory accounts from the arrested man and his father and denials by the accused officer and three hotel employees that the arrested man had been kicked. Dorner claims he was wrongly ousted for blowing the whistle on what he insists was police abuse.

Suspect's grudge dates back to 2007 complaint

Dorner challenged his firing for years, losing at every turn. First, the police department's Board of Rights rejected his appeal. Then, in October 2011, a judge ruled against his appeal, according to court records.

Beck, the Los Angeles police chief, said Thursday that Dorner's case had been "thoroughly reviewed" and said the department would not apologize to Dorner or clear his name.

But as his manifesto shows, Dorner is showing no sign of relenting.

He complained he had been railroaded out of the department after reporting police brutality by another officer. Dorner also complained of a continuing culture of racism and brutality in the LAPD.

Attacks on other police officers and their families, he said, are "a necessary evil that I do not enjoy but must partake and complete for substantial change to occur within the LAPD and reclaim my name."

"Look your wives/husbands and surviving children directly in the face and tell them the truth as to why your children are dead," Dorner wrote.

Such a chilling warning prompted Los Angeles police to set up 40 protective details in an effort to safeguard people listed in Dorner's letter, Beck said.

The chief acknowledged that this effort was taxing the department, which has been placed under tactical alert, meaning all officers must stay on duty.

"It's extremely, extremely manpower intensive," Beck said. "But the safety of my employees, people that come on the job to protect the lives of strangers, is extremely important to me. And I will expend whatever resource is necessary."

KABC: Former cop shoots three officers

CNN's AnneClaire Stapleton, Sara Weisfeldt, Barbara Starr, Pete Janos, Mallory Simon and Deanna Hackney contributed to this report.

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Ex-LA cop, murder suspect sent parcel to Anderson Cooper

In this image provided by the Irvine, Calif., Police Department via The Orange County Register, former Los Angeles police officer Christopher Jordan Dorner is shown. Dorner is a suspect in the killings of Monica Quan and her fiance, Keith Lawrence, who were found shot to death in their car at a parking structure Sunday night. (AP Photo/Irvine Police Department via The Orange County Register) / AP/Irvine Police Department via Orange County Register

LOS ANGELES Law enforcement officials are inspecting a package CNN's Anderson Cooper received from a former Los Angeles police officer who allegedly killed three in a shooting spree.

CNN spokeswoman Shimrit Sheetrit said Thursday that a parcel containing a note, a DVD and a bullet hole-riddled memento were sent by Christopher Dorner and addressed to Cooper's office.

LAPD Cmdr. Andrew Smith says LAPD robbery-homicide detectives will inspect the package for clues.

The package arrived Feb. 1, days before the first two killings Dorner is accused of.

It contained a note on it that read, in part, "I never lied."

Dorner was fired from the LAPD in 2008 for making false statements.

A coin typically given out as a souvenir by the police chief was also in the package, and riddled with bullet holes.

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