The FBI has arrested two men in southern California, one at Los Angeles International Airport, suspected of attempting to travel abroad to join Islamic State, NBC News reported on Thursday.
U.S. federal investigators have found no record that the engineer of the Amtrak commuter train that crashed in Philadelphia last week reported an object hit his locomotive in the minutes before it derailed, a U.S. official said on Sunday.
The Federal Bureau of Investigation warned police in Garland, Texas, about three hours before a shooting at an exhibit of caricatures of the Prophet Mohammad that a gunman who launched a failed attack was interested in the event, FBI Director James Comey said on Thursday.
Federal agents for years monitored one of the two gunmen who were shot dead after opening fire with assault rifles at a heavily guarded Texas exhibit of caricatures of the Prophet Mohammad.
