President Barack Obama says there may be "mixed motives" behind the mass shooting in San Bernadino, California.
28 year old Syed Rizwan Farook left a holiday party at a government building on Wednesday, returning heavily armed with his 27 year old wife Tashfeen Malik.
They killed 14 and injured 17 and were themselves later shot dead by police during a car chase.
President Obama says investigators are exploring the possibility that they were motivated by terrorism and a work-place grudge....
IN: Our expectation is...
OUT: bottom of this.
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ADD:
He's calling for Republicans and Democrats to work together to improve gun safety laws.
IN: It's going to be important...
OUT: ...it's too easy.
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