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Lt. Travis St. Pierre, of the New Orleans Police Department, shows off a body-worn camera during a press conference in January.
Brett Duke/The Times-Picayune/Landov
May 22, 2014 Officers are wearing video cameras to record interactions with the public. The city's troubled police department is trying to prove a commitment to transparency, as it tries to end federal monitoring.
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Even if a suspect password-protects his or her phone, police still have some ways of getting into it.
March 25, 2014 Suspects' smartphones contain a wealth of information: calls, photos, GPS data. With so much info, it's often all police need to make a case. But with fast-changing phone technology, it can take work.
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March 25, 2014 Law enforcement can get past your phone's password with some tricks, often developed by hackers. Here's a list of some of the known cracks in the security of the two major types of smartphone.
BlueJay, a tool by social media monitoring company BrightPlanet, shows the locations of tweeters who have left their geotagging option activated.
February 28, 2014 Police are buying software programs that help them track suspicious activity on the Web. But they come with a risk: If they're used too aggressively, the department could end up in court.
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Protesters line up outside City Hall in Oakland, Calif., to demonstrate against the Domain Awareness Center, a data integration system being built by the city and the Port of Oakland.
February 21, 2014 Police are building software systems to integrate their data flows — from cameras to license plate scanners and social media — to better identify threats and suspects. But there's a privacy backlash.
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