October 20, 2019 4:30 pm BOOMER SOONER_KNBCU36L US & World Videos 2:36 Student's mother tries to stop vandalism at USC 1:41 Security guard shot outside of hip-hop executive's Encino home 3:41 Entry restricted at USC as protests continue on campus 0:44 Security guard shot at $12 million Encino home 3:26 Confrontations occur at UCLA campus amid ongoing protests