California April 6, 2022 5:02 pm Sacramento Mass Shooting Was Gang Related Sacramento police on Wednesday said the mass shooting downtown was gang related and involved at least five shooters. Sergio Quintana reports. US & World Videos 1:08 Antioch school supervisor placed on leave after NBC Bay Area worker bullying report 3:23 UC Davis finds brain sizes are growing 3:36 Waymo expands driverless taxi service 2:32 Officials release footage of suspected vehicle involved in mail carrier robbery 2:01 New proposal aims to make Front Street San Francisco's entertainment zone