and the murder of angie samota then went cold. for years. rs after the crime, angie's friend sheila by then living in nashville decided to act on something she'd thought about for awhile. >> i actually had felt angie around me for awhile. and then i was doing homework for a bible study class and all of a sudden i looked up and as you're sitting there, there was angie. and then i thought it's time. and i called the police. >> and said? >> i wanted to know about the angela samota case, who was working on it, if they were working on it, and if they weren't would they reopen it. and at that point told me nobody in 20 years had called, not one single phone call. >> that prompted sheila to take a big step. she decided to get a private investigator's license to see if she could learn enough about crime and criminals to actually help solve angie's murder. at the very least, she wanted dallas police to take her seriously. she earned her license in 2006 and called the pole again. >> i said i'm a private investigator, you need to send me all the informa