Belva Gaertner Belva Gaertner was a 40-year-old 3-time divorcee when she fatally shot her lover, Walter Law, a married man with a toddler at home, in the front seat of a sedan. When taken in to custody she claimed to have been too drunk to know whether or not she had killed the man. Her exact words were, "I don't know. I was drunk." "For three months, automobile salesman Walter Law, and Belva spent their nights together visiting Chicago nightclubs and drinking illegal liquor.