d.a. lieckpposite take when it came to the surveillance footage. she thought the timestamped videos backed up the boyfriend's alibi. >> all that did was really confirm what i already thought. i really didn't think he had anything to do with it. i really didn't. >> so you weren't -- you weren't looking at the boyfriend at that point? >> no, because he wouldn't have had a motive. the motive is gonna rest with the ex-husband because any logical person is saying, "okay, they're divorced. she spends the night with a new boyfriend, and she comes home the next morning and the ex-husband's supposed to be okay with that?" no, i don't care who you are. you're not okay with that. >> so the d.a. was looking hard at the husband while the sheriff was betting on the boyfriend. it had to be one or the other, right? well, maybe not. did i mention that crystal's life was complicated? >> her name is crystal because her parents named her after crystal meth. >> you're kidding? >> no, and her parents both died when s