>> coming up, a letter from jessica reed, and what she wrote stunned investigatorinvestigato. >>> jessica reed, one of the two teens from miwisconsin who admitted being there the night they were killed. >> the reason i ask you is the two people upstairs were shot to death. >> you're saying me and greg did it. >> i'm telling you is you're in this house. did you not tell -- >> oh, my god. i never killed anybody. i really didn't. >> this is why we're here. >> i took money. that's all i did. i call i did was take money. i don't want to go to jail for murder because i didn't do it. >> then who did? remember, matt had already confessed and named nick samson as his accomplice. >> tell us who you were with. >> i was with craig. >> wachit a minute. she must have known matt and nick. so the investigators showed pictures, no idea who they were, she said. never saw them before. >> if they did it, i swear to god, they are dumb people. >> and then, the visiting investigators from nebraska informed her that the electric chair stood ready for her if she didn't choose to cooperate and she reconsidered. >>

>> coming up, a letter from jessica reed, and what she wrote stunned investigatorinvestigato.