A man was shot and killed backstage following a Wiz Khalifa concert in Mountain View, Calif., last night, police say. Family and friends identify the victim as one Eric Johnson, ABC 7 reports. Police say he was 38 years old and received multiple gunshot wounds, KRON notes. The suspect is a twentysomething black man between 5-foot-6 and 5-foot-8, CBS San Francisco reports. The shooting was reported to police at about 11pm at the Shoreline Amphitheatre.