Last August, 54-year-old Danny Chaney was heading down Highway 11, a rural highway in Oklahoma near Ponca City, his only companions classic rock on the radio and the 2012 Chevrolet Colorado truck he'd just bought from a major area car dealer. As Chaney slowed to make a turn, he said, everything froze, and he veered off the road. That moment revealed a secret unknown to Danny before he spent twenty grand on the truck: the truck's frame -- the bones of the truck -- had been severely damaged in a wreck. Watch the full story on "20/20: Highway Confidential" TONIGHT at 10 ET

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