'Kathy Willowby killed her husband, Martin Willowby, in Mr. Monk Gets Cabin Fever. During a stormy night while Martin was taking a a bath, she tossed an electric radio into the bathtub, killing him instantly. Later, she dressed her husband in fishing gear, placed him in his row boat, and sent him off into the lake dressed as a fisherman with a burnt patch on the boat. She then claimed that lightning killed her husband so that she could collect his insurance money.