she was the brains, he was the brawn, or in this case, though it was all circumstantial, to greg butler, it was persuasive. >> there is evidence, i don't think there is any question as to who was involved, diamond and her together. >> the evidence? the life insurance. the affair. the access to a murder weapon. those emails. the coverup. taken together, it was enough to convince a grand jury. and finally, in may of 2002, nearly 18 months since her husband was killed, michelle theer was indicted for first-degree murder and conspiracy. but arrested? no. why? >> there's some speculation that she was tipped off, that she had been indicted, because she seemed to have really sort of fall off the face of the earth, right before that came down. >> michelle theer vanished. no one, not even her family knew where she was. lauderdale by the sea is a charming little town, just north of miami. quaint and quiet. low profile. in the summer of 2001, cindy, a local landlord, met with a woman who wanted to rent a room at her cottage. >> she gave her name as liza pendereggen, well spoken, intelligent, she t