he said if you tell anybody, i am going to kill your wife, i am going to kill your little one. >> it was quite a story. the only problem? walmart, where chris worked, had cameras everywhere. and it just so happened that detective goodman spent the night before, watching videos with richie. videos that kept witness of every movement, every minute. if chris left the store to kill his wife, then good men would not see him on any video shot between to 15 am and 3 am. >> every 5 to 10 minutes, we have him there at the store. we have him in the entryway. sitting down, eating his lunch. during the time that ritchie is telling us that he is stabbing angela. >> in fact, the only times chris briefly left the store, where his scheduled breaks. so he couldn't simply have