Homeland Security may use companies to find extremism on social media

The Department of Homeland Security might not rely solely on in-house systems to spot extremist threats on social media. Intelligence officer and initiative leader John Cohen told the Wall Street Journal in an interview that Homeland Security is looking at hiring companies to analyze social networks for signs of impending terrorism and other extremist violence. The department had been studying social media before, but the outside partners would help "dramatically" expand these efforts, Cohen sai...