Wessner v. State

Undercofler, Presiding Justice.

Matthew Wessner was convicted of the murders of his former wife, Linda Wessner, and George Kistemaker, III. The murders occurred on February 9, 1975. He was sentenced to serve two concurrent life sentences. The defendant contended that he was insane at the time he killed Kistemaker and that the shooting of his former wife occurred because of accident or because he was insane at the time.

The evidence shows that the Wessners had been married about ten years and had two children; that they had experienced marital problems caused by the relationship of Mrs. Wessner…