'The Co-Ed Killer' is the horrifying true story of Ed Kemper, a cunning and sadistic serial killer shaped by childhood abuse, whose charming facade masked his grotesque obsession with murder, mutilation, and the ultimate act of revenge against the woman who scarred him most-his mother Co-Ed Killer' is the horrifying true story of Ed Kemper, a cunning and sadistic serial killer shaped by childhood abuse, whose charming facade masked his grotesque obsession with murder, mutilation, and the ultimate act of revenge against the woman who scarred him most-his mother.