and you know, drugs and burglaries go hand in hand. >> reporter: investigators believed that kay was beaten at her home in a narrow window of time between 7:10 and 7:20 that morning. but michael said he didn't arrive at the scene until 8:30. and said he had an alibi for the time before that. he'd been hanging out, he said, with a friend named anthony. >> reporter: what's the story he tells you about that day? >> we pull anthony in and we interview him. anthony's a character. he -- he's pretty lively. he's very talkative. he hadn't had time to talk to michael. we knew michael hadn't talked to him. >> reporter: so you got two unvarnished stories, this might work out. they haven't had a chance to compare notes. >> exactly. >> what time michael get to your house? >> 6:45 roughly. >> you awake, sleep, what? >> i was up. i was up. well, i was laying back down. i was laid down on the couch, getting ready to go back to sleep. i didn't expect him that early. but -- >> but you were expecting him? >> yeah. he said he was going to come over. >> how long was he there? >> till -- from when he got there, which was roughly 6:45 till 8:27 on the dot.