December 16, 2015 6:05 pm Examining the Timeline of LAUSD Threat Hoax Taking a look at the timeline of the threat hoax against LAUSD schools and how the decision to close the schools was made. Mekahlo Medina reports for the NBC4 News at 5 and 6 p.m. on Dec. 16, 2015. US & World Videos 3:14 USC prepares for graduation after encampment removal 1:57 Hazmat team responds after two people are found dead in Northridge 1:04 Homeboy Industries founder Father Gregory Boyle receives nation's highest honor 5:46 NewsConference: Why the political silence during the campus chaos? 5:33 NewsConference: Professors protecting their students