. >> sandra's shirt and brower askew, her lip was split as if she had been punched in the face. the right of the screen, told investigators he discovered sanders body around 9 pm. but the cops could see she'd been dead for a while by then. >> probably 8 to 10 hours. >> which would have put the time of death -- >> in the morning. >> could you get any more exact? >> no. >> given the estranged husband, darren, used to live with sandra and ryan was now dating her, their fingerprints prince could be explained. nothing suspicious there. but ryan finding the body? well, that was potentially suspicious. >> did he have an alibi? >> yes. >> and it checked out? >> yes. >> do you remember what it was? >> he was at work. >> so who else? well, there was sanders estranged husband darren, of course. and this was interesting. >> that morning, he called in sick. >> in other words, he didn't have an alibi? >> no. >> based simply on that lack of alibi, the police arrested darren. >> when they first said do you think your husband could've done it? my first reaction was no. >> even as larry tried to