The latest on the investigation into the San Bernardino shooting attack that killed 14 people in December (all times local):

8 a.m.

Authorities say they are seeking additional information about the attack that killed 14 people last month in San Bernardino.

The FBI says federal and local law enforcement officials will hold a press conference at 12 p.m. Tuesday.

Authorities will appeal to the public for information related to the Dec. 2 shooting by a county health department employee and his wife at a holiday luncheon for his co-workers.

The couple were killed by authorities in a shootout later that day.