July 21, 2016 6:00 pm Report of Gunman Prompts Office Lockdown Police searched a Harbor Gateway area office building for a reported gunman. John Cadiz Klemack reports for the NBC4 News at on Thursday, July 21, 2016. 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