WASHINGTON (CBSLA.com/AP) — President Barack Obama says it’s possible the mass shooting in California was related to terrorism, but that authorities still don’t know.

Speaking to reporters from the Oval Office, Obama said it’s possible it was workplace-related or that there were mixed motives.

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He’s assuring Americans that authorities will get to the bottom of what happened. Obama is also calling for people to wait for facts before making judgments.

Obama says many Americans feel there’s nothing they can do about mass violence. But he says, “We all have a part to play.”

Obama says the nation must make it harder to carry out violence. But he’s acknowledging the threat can’t be eliminated completely. He says it will be important for all Americans, including state legislators, to see what they can do.

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According to CBS News, an intelligence source said Farook had traveled to Saudi Arabia to apparently attend the annual Hajj pilgrimage, a religious rite of passage for Muslims.

Republican presidential candidate Ted Cruz was among several GOP figures to voice concerns that the attack was an act of “Islamic terrorism.”

Speaking to a meeting of the the Republican Jewish Coalition, the Texas senator said, “All of us are deeply concerned that this is yet another manifestation of terrorism, radical Islamic terrorism here at home.”

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