mr. sullivan had a comparatively extensive criminal arrest record from narcotics to crimes against persons, battery and aggravated battery, probation violations. he had a reasonably extensive record. >> when police went to henry sullivan's apartment, they found a vintage red 1971 chevrolet cheyenne pickup truck parked outside his apartment. incredibly, the truck belonged to the murder victims, richard and karla van dusen. >> it had been completely restored. it was a classic truck. it was a definite eye catcher, and, in fact, what i would describe as a one-of-a-kind pickup truck. >> when questioned, henry sullivan denied any involvement in the murders. with his driver's license found at the crime scene, it looked like an open and shut case. but it was just the beginning. ♪ ♪ ♪ >>> friends and family couldn't believe that richard and karla van dusen were murdered. richard was a copy machine sales manager whose hobby was collecting antique cars. karla was a courtroom reporter. on weekends, she worked as a clown, entertaining sick children at local hospitals. >> they were pretty well-known in