Obama on San Bernardino shooting: ‘We do not yet know why this terrible event occurred’

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SAN BERNARDINO, Ca. -- President Barack Obama said Thursday "it's possible" the mass shooting in San Bernardino, Ca., was terrorist related.

"At this stage we do not yet know why this terrible event occurred," Obama said, speaking from the Oval Office, while raising the possibility that the shooting could also have been the result of workplace violence.

On Wednesday, 14 people were killed in a shooting rampage at the Inland Regional Center, marking the deadliest shooting in the U.S. since more than two dozen, mostly children, were killed in Newtown, Connecticut, about three years ago.

"Our first order of business is to send our thoughts and prayers to those who have been killed," Obama said.

The massacre started at a holiday party — suspect Syed Rizwan Farook left and allegedly returned with his wife, Tashfeen Malik. They then opened fire.

San Bernardino shootings

"Until the FBI is able to conduct a large number of interviews, until we understand the nature of the workplace relationship between the individual and his superiors...until all the social media...has been exploited, we won't be able to answer those questions."

"We are going to get to the bottom of this. We are going to be as vigilant as we always are in getting the facts before we issue any decisive judgments as to how this occurred."

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