joe fonseca: it's a little cloth bag. bag came from, we finally found that there was a little company in richmond, virginia, the millheiser company, had been around for 100 years, produced this bag. dennis murphy: the company supplied those bags through a middleman to only one client in georgia-- delta airlines. joe fonseca: delta airlines is where butch hinton worked. and when we conducted a search at butch hinton's workplace, on his desk were a number of these bags. dennis murphy: and the prosecutor brought in a forensic expert, who said that the bag from the phone booth contained metallic particles that would have been found at hinton's workplace. luis melendi: as i started listening to the scientist, i started feeling really positive about it. they said this bag could only have been sold to this customer. phenomenal. it was unreal. dennis murphy: hinton's defense was straightforward. his attorney argued that the state's evidence was scant and circumstantial and that he could not have killed someone whose body has neve