James White, the confessed killer of Jack Wilson, was the key prosecution witness in the murder trials of Betty Wilson and Peggy Lowe. Even though Betty was convicted, her sister Peggy was acquitted because her lawyers used White's credibility as par... (more)t of the defense. Is White a credible witness? Find out what he said in court, to the police and then to 48 Hours. In 1993, Betty Wilson and Peggy Lowe were accused of hiring a hit man to kill Betty's husband Jack Wilson, a wealthy doctor. The twins faced the same charge and the same evidence. But while Betty was found guilty, Peggy was acquitted. Did one of the twins get away with murder? Or is one twin paying for her lifestyle by spending life in prison?