i've nothing to hide. >> linda watson's friend saw the news on tv. >> we arrested david twain watson, oh my gosh, this is it. i started trying to call her aunt, patty. she said, this is it. i was like, are you sure? we sure? i just remember screaming and crying. she said, they just arrested him. >> i can play. but i just can't believe. >> this was. 15 >> years just. canvassing >> yeah. i just could not. i still had to pinch myself. >> dave's daughter jordan couldn't believe this day had come either. but for very different reason. she believes supported her father, believed there was no one knows where he killed three women. >> while they really had was, you know, that he wasn't [inaudible] and it seemed like a business custody battle. >> when it came to a climax, someone died? >> yes. that's all they had. there was no hard evidence putting him somewhere, you know? no murder weapon in his hand. nothing like that. they never found anything. his dna isn't anywhere they wear. >> remember, dave had a solid alibi. his wife at the time, rosemary, told detectives she was with him at home whe