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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