A 19-year-old active duty Marine identified by community members as Tayvon was shot and killed early Saturday during a Halloween party in Lancaster. The shooting happened around 12:45 a.m. near Division and Eye, according to the L.A. County Sheriff’s Department. Deputies found the victim outside a business with gunshot wounds to the upper torso — he was pronounced dead at the scene. Friends say Tayvon had recently returned home to visit his mother and two younger brothers. The shooter fled befor