FBI: California shooting investigated as act of terrorism

SAN BERNARDINO, Calif. (AP) -- The FBI said Friday that it is officially investigating the mass shooting in California as an act of terrorism, while a U.S. law enforcement official revealed that the woman who helped her husband carry out the attack had pledged allegiance to the Islamic State group and its leader on Facebook under an alias. David Bowdich, assistant director of the FBI's Los Angeles office, would not give further details about why the bureau made the determination, saying at a news conference that "there's a number of pieces of evidence that has pushed us off the cliff." Syed Farook and his wife, Tashfeen Malik, killed 14 people at the holiday party for his...