California gunman Syed Rizwan Farook had been in contact with known Islamic extremists on social media, a U.S. intelligence official said Thursday.
Officials: California gunman was in touch with extremists
The Latest: Suspects who died each had long gun, handgun
Meredith Davis, a spokeswoman with ATF, told KCAL9-TV the two suspects who died in a shootout with police after the mass killing in California were each heavily armed.