prove that her former lover, jermeir stroud, had killed his own fiancÉe, denita smith. d threats and intimidation to bring shannon along as an unwilling accomplice shannon told investigators jermeir was still harassing her while she was out on bail. so with their blessing she bought a tape recorder and conducted a do-it-yourself sting operation. >> i spent four months in jail because of you because you lied >> man, i told you all you had to do was shut the [ bleep ] up, man. >> jermeir, just tell the truth, please don't do this to me. >> reporter: shannon's family members, who had always supported her, say they can corroborate many of the calls. >> i'd say 99% of the phone calls i was a witness to, i was on the other phone >> reporter: you would also see shannon's reaction to these. >> yeah. >> reporter: phone calls this was not somebody who was play acting. >> exactly >> reporter: no question that was jermeir -- >> no. i know it was him. >> reporter: and they say it did not take long for jermeir to incriminate himself. >> you know i already got away with murder once thi