other girlfriends weren't brought to court just to talk about that dalliance. >> what was the purpose of you taking the stand and what was that like? >> i didn't want to take the stand. i was made to take the stand, i was subpoenaed by the prosecution. >> the prosecution wanted pam to testify about becky's obsession with her ex-lover, mark holbrooke, aka, becky's prodigy. becky had confided her feelings for him months earlier, when becky and keith appeared to be happier than ever. >> i said to them, becky, you and keith seem to be really committed to making this work. and she said to me, oh, i'm a great faker. once i've made my mind up about something i'm a great faker, and my heart kind of sank. >> the prosecution argued this was becky's motive for murder, she was fixated on her ex-lover and elaborately scheming to get him back. >> she proceeded to tell me that