>> this chemist got some blood and put it on a members only jacket, and then put some luminol on it, and it e glowed right there. but hennis' on the other hand had no sign of blood. so richardson had turned the prosecution's evidence against them. and then lucille cook who swore she saw hennis at the atm. two days after the murder. >> lucille cook had made dozens and dozens of transactions around the time of the murder, and asked her if she could remember those, and of course, she could not. >> there was a gap of time between her transaction and the transaction used allegedly by tim hennis. it was 3 1/2 minutes. >> well, it does not seem like a lot, until you sit there and time it. we had the jury sit there and time it to see how long it was.