Be Careful Who Your Facebook Friends Are

Homeland Security is friending lots of people on Facebook, it's following millions on Twitter and it's analyzing the data it gathers. But agency brass tell Congress, it's not breaking any laws or invading privacy. DHS officials were called before the House Committee on Oversight and Government Reform. The hearing followed a lawsuit by a privacy group concerned about a social media monitoring program by DHS. Mary Ellen Callahan, the department's chief privacy officer, says the program operates with the bounds of the Privacy Act and the First Amendment.