offered her any deal whatsoever. >> after learning that gwen gurl le had recovered her testify, marshall discovered that she had an alibi, an alibi the jury had never heard. >> he will me he could not have been there at the murder because he got a call from the jiffy stop, another convenience store in a different part of town. so he went over there around the time the little girl was being murdered. he jotted everything down in his little spiral log book. time, activity, traffic stop. >> the notebook has her information in it. that i wrote down that night. >> i said did that log sheet get introduced into trial? he said no. i don't know what happened to it. it was confiscated from him by the police. >> they took notebook when they impounded the patrol car. the notebook got teresa's information that i wrote down at 10:30 that night. and then at 11:00, i was at the