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

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

Michael Ruiz
Updated
6 min read

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

RIVERHEAD, N.Y. — Keith Jesperson, the “Happy Face” serial killer who has been trading prison letters with Gilgo Beach killer Rex Heuermann, is warning that the hulking former architect could face a reality check when he’s shipped upstate this month.

Heuermann was sentenced Wednesday to the maximum possible sentence of three consecutive life sentences with no parole, followed by four consecutive sentences of 25 years to life in prison.

“I’m responsible,” he said in court before he was sentenced. “The words I would say have no meaning.”

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Jesperson said before Heuermann’s sentencing that prison will be no “cake walk.”

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Rex Heuermann has wavy borwn hair in his latest mugshot, wearing a green shirt and holding placard that reads Suffolk County Sheriff's Office
Rex Heuermann in his latest mugshot, dated July 25, 2025 at the Suffolk County Jail in Riverhead, New York.

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“The problem with Rex is his size — he thinks prison will be a cake walk because of how big his ego is,” Jesperson, 71, wrote in a text message to podcaster Keith Rovere. “[I] had to tell him the little guys work out too, to beat up us big guys. He will have some fights, even in protective custody.”

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The message was shared with Fox News Digital. In it, Jesperson warned that Heuermann, 62, might even be “tossed to the wolves” by prison guards at some point.

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“Keith is almost 7 feet tall, and he took a couple beatings,” Rovere told Fox News Digital Thursday. “It’s a numbers game in prison, no matter how big you are.”

Heuermann remains in custody at the Suffolk County Jail in Riverhead, New York. He will be moved to a state prison after his formal sentencing on June 17.