at cliff merck's autopsy, the medical examiner recovered two .25-caliber bullets from his skull. coincidentally, one of cliff's .25-caliber pistols was stolen during the robbery. investigators wondered whether cliff had been murdered with his own gun. >> we had been evaluating every .25-caliber automatic seized in the area as it came in to see if the ballistics would match the .25-caliber bullets that were removed from the skull of clifford merck. >> two months later, investigators found cliff midsection's gun. it was in the possession of a man whom we'll call dan jones at the time he was arrested on a drug charge. it was easily identifiable since cliff's initials had been carved into the handle.