Robert Rhoades, known as the Truck Stop Killer, transformed his long-haul sleeper cab into a rolling torture chamber. For more than 15 years, he prowled America’s highways, abducting women after murdering their boyfriends, then subjecting them to hours of brutality before dumping their bodies along desolate roads.

Though Rhoades admitted to only a handful of murders, the FBI believes he may have killed as many as 50 people. His case remains one of the most disturbing reminders that predators can hide in plain sight.

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