TROLL TAUNTS EX-WIFE OF SERIAL KILL SUSPECT

Wins $25K bid for sicko's wheels & refuses to pay

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Asa Ellerup put ex-husband Rex Heuermann's vehicle up for auction. Left: Jonathan Randall

ACCUSED serial killer Rex Heuermann's family is getting trolled by the man who placed the winning $25,000 auction bid on the Long Island slay suspect's Vietnam War-era Jeep as the prankster refuses to pony up the dough, sources say.

A rep for Heuermann's kin placed a listing on eBay for a 1972 M151 A2 Military Utility Tactical Truck and a 1963 trailer, stating it was once owned by the "Infamous RH."