Suspect in UPS driver shooting was victim’s childhood friend and co-worker NBC Los AngelesUPS driver killed in Irvine was stalked by childhood friend, shot 14 times, DA says KABC-TVUPS driver killed in Orange County was shot 14 times by childhood friend KTLA Los AngelesSuspect who fatally shot California UPS driver 10 times in truck was coworker, childhood friend: DA Fox News