but a background check revealed saintil had a violent past. 20 years earlier, saintil served four years for aggravated assault and concealing a weapon. and despite working three jobs, he had money problems. >> he was paying child support, from what i understand, for two different children, and the amount, when i add it up now, the amount's probably about $700, $800 a month. it was quite a large sum of money. >> the forensic evidence clearly pointed to wilson saintil as the man who killed stephen holmes inside the steak restaurant. but investigators wanted to know what happened to the $8,000 missing from the restaurant's safe? that's when they learned that saintil visited a local furniture store the day after the murder. the furniture store had a security camera in the office, which showed saintil paying off a $1,200 debt in cash with $100 bills. much of the money stolen from the restaurant was in $100 bills, from the gift certificates they had been selling on the night of the murder. >> the fact that he pays off his debt at the furniture rental company so quickly after the murder is --

it's the reason wilson saintil is in prison, and without it, he would be a free man today. unsolved for years. >> the case always bugged me. we wanted to find the clown that did that. >> police couldn't understand why the victim's husband didn't report her missing. >> every time i hear i didn't call it in because we had an argument, i always wonder how could anybody believe this? >> could new forensic testing solve a 20-year-old case? >> you've got to treat every single case like it's the crime of the century. >> when rod and julie estes started their life together in jacksonville, florida, as husband and wife, they had to figure out, like most couples, how to support themselves. rod drove a truck for a plastics company, but the only job 21-year-old julie could find was working the late shift at a convenience store near their home. >> she had graduated from high school, but she was a recent transplant to the jacksonville area and needed that job to put food on her table. >> convenience stores and gas stations were really the only things at night that were open that people w