The FBI director said Friday that the San Bernardino massacre is being treated as an act of terrorism, and investigators are scrutinizing the digital footprints of the husband-and-wife killers to determine who, if anyone, may have known about the plot.
Democracy Dies in Darkness
FBI says San Bernardino attacks considered act of terrorism; shooter pledged allegiance to Islamic State leader
By Adam Goldman
, and
December 4, 2015 at 5:11 p.m. EST