. >> their star witness was paul's ex lover, michelle lafrance. f those police interrogation tapes of michelle describing the details of how he killed his wife. >> he told me that they were fighting and that they were rolling around on the basement floor for about 45 minutes. and that's why he was so late. and she was screaming and begging for her life. >> and the jury didn't have to just take her word for it, prosecutors called scott sherwood, paul's partner from work to the stand. they told the jury he had been interrogated by police and showed them the tape. >> let's go from the beginning. you meet paul where? >> i met paul at his house in glen cove. >> jurors heard him tell police his version of what happened the night of the murder. >> so he gets in your red blazer. who's driving? >> i was driving. we were driving up towards where his residence was, where 's catherine lived. >> sherwood said paul told him to part about a mile away from catherine's house and wait in the car. >> about how long was he gone from the car? >> over an hour. >> and wh