PATRICK HEALY February 16, 2018 4:49 pm Snapchat Video of a Gun on CSUN Campus Causes Scare A Snapchat video of a gun in a vehicle behind the library at Cal State Northridge sparks a scare on the campus. Patrick Healy reports for NBC4 News on Friday, Feb. 16, 2018. US & World Videos 0:46 Protesters remain camped out on UCLA campus 0:44 Security guard shot at $12 million Encino home 1:01 One person killed in crash in Porter Ranch 3:32 USC, UCLA students navigate end of the year protests 3:26 Confrontations occur at UCLA campus amid ongoing protests