Federal investigators in California on Tuesday appealed for the public's help in piecing together the whereabouts of the two San Bernardino shooters during a brief period after the massacre, AFP reports.

David Bowdich, head of the FBI office in Los Angeles, said that while investigators had largely determined the movements of Syed Farook and his wife Tashfeen Malik on the day of the massacre December 2, there were 18 minutes unaccounted for after the shooting that left 14 people dead and 22 injured.


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