trial. they wondered if shannon was certain the attacker was jermeir. >> i asked her, "well, how did he know you were going to be walking a dog at 3:00 in the morning?" and i guess he just stalked the house and saw his opportunity. so for four hours he raped her. so if it was 3:00, then when does the sun start to come up? four hours. you know, you're looking at 7:00. >> reporter: it would have been daylight then. >> yes. dog doesn't bark, anything like that. >> reporter: shannon said she was sure and then added one more horrifying detail. jermeir had used a knife to rape her. it would take ten days for the rape kit results to come back. so in the meantime police, of course, questioned jermeir stroud. he insisted he was in greensboro that morning, nowhere near charlotte. when you go to jermeir and say shannon says she was raped by