Yuan Yuan LuGoFundMe Tap Here To Add Us Weekly As A Trusted Source Add as a preferred source on Google After she tried ending their relationship, a Pennsylvania woman was shot and killed by her ex-boyfriend who'd allegedly been stalking her and opened fire on her car while she was inside of it, according to authorities and her family. Yujun Ren, 32, of Philadelphia, was arrested on Sunday, February 8 - the same day of the deadly shooting - on charges of criminal homicide, possession of an instrument of crime and stalking, Bucks County District Attorney Joe Khan said in a statement.