'Happy Face' killer warns fellow serial killer Rex Heuermann could be 'tossed to the wolves' in prison

Keith Jesperson, known as the 'Happy Face' killer, warns Rex Heuermann, the Gilgo Beach killer, that he may face physical threats in prison due to his size and ego. Heuermann is set to be transferred to a state prison after his sentencing on June 17. Jesperson and Heuermann have exchanged prison letters, with Jesperson advising Heuermann to plead guilty to avoid trial risks.