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 hide caption
The Police Officer's New Tools A series of reports looks at modern technology is changing the way police conduct surveillance and other tasks.
Special Series
The Police Officer's New Tools
Even if a suspect password-protects his or her phone, police still have some ways of getting into it. iStockphoto hide caption
Your Smartphone Is A Crucial Police Tool, If They Can Crack It
BlueJay, a tool by social media monitoring company BrightPlanet, shows the locations of tweeters who have left their geotagging option activated. BlueJay screenshot hide caption
As Police Monitor Social Media, Legal Lines Become Blurred
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. Martin Kaste/NPR hide caption