Los Angeles authorities shut down their entire school system after a threat that New York authorities - receiving a similar threat - called a hoax.Dec. 16, 2015
UP NEXT
Full video: Multiple camera angles capture fatal Memphis police beating of Tyre Nichols
26:02
Bodycam shows Tyre Nichols punched several times, calls for his mom
03:31
Bodycam video shows Tyre Nichols removed from car, tasered by Memphis police
05:03
Memphis officers shown brutally beating Tyre Nichols in pole camera video
06:41
Biden speaks to family of Tyre Nichols
02:42
Richard Haass on the importance of putting country before party