Happy Face killer warns Gilgo Beach 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.“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.”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.“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.When asked if he thinks Heuermann may have more victims, Jesperson, who admitted to killing eight himself, declined to answer.“What l think isn’t important,” he wrote in a message to Fox News Digital.“We just have to wait and see on the 17th.”Dubbed the “Happy Face Killer” for drawings he included in letters to the media, Jesperson said he’d rekindled a correspondence with Heuermann after the latter pleaded guilty, something Jesperson had urged him to do for years.“He basically has told me thank you for letting him know about the process in the system dealing with [serial killer] cases,” Jesperson told Fox News Digital.Writing from a prison in Oregon, Jesperson said Heuermann would’ve had nothing to gain by taking his case to trial given the evidence against him — which includes transferred hair DNA from his then-wife and daughter on some of the victims.Heuermann’s ex-wife, Asa Ellerup, said through...