An Abingdon Virginia Woman Allegedly Dressed In A Clown Costume Accused Of Killing The Wife Of Her Lover, Will Be Featured On ABC’s 20/20 Tonight. Sheila Keen Warren Is Charged With First Degree Murder In The Shooting Death Of Marlene Warren At Her Florida Home. Keen Warren Ended Up Marrying The Victim’s Husband. The State Is Seeking The Death Penalty Against The Woman. The Hour Long Show Airs Tonight At Ten O’clock On ABC Tri Cities.