Tim McClure and the death of his mother Terri

January 14, 1983 in Carson City, NE a 62 year old women is shot twice, killed , remains in the parking lot until the following Monday - the main suspect? Her loving son, Tim, who pulls out a lot of excuses about why he didn't do it but this was the night of his wedding, of which his mother attended...what happened on that night - Did Tim kill his beloved mother or did the police microfocus on the wrong person?