2015 San Bernardino attack
At least 14 people killed in shooting in San Bernardino ; suspect identified. By Steve Almasy, Kyung Lah and Updated PM ET, Thu December 3, 2015.
F.B.I. Treating San Bernardino Attack as Terrorism Case. By MICHAEL S. San Bernardino Shooting: The Investigation So Far DEC. 4, 2015.
ISIS militants said the two people who stormed a party in Southern California and shot 14 people to death were "supporters" of the terror group.