Charles Severance , 54 , has been charged with murders of Nancy Dunning , Ron Kirby and Ruthanne Lodato , in Alexandria , over the space of a decade . Prosecution want Severance , who was once a fringe candidate for political office , to stand trial for all three killings together . Claims that Severance 's 'Parable of the Knocker ' linked all three deaths . The three victims were murdered at random in broad daylight when they answered a knock at their front door .
Charles Severance , 54 , has been charged with murders of Nancy Dunning , Ron Kirby and Ruthanne Lodato , in Virginia , over the space of a decade . Prosecution want Severance , who was once a fringe candidate for political office , to stand trial for all three killings together . Claims that Severance 's 'Parable of the Knocker ' linked all three deaths . The three victims were murdered at random in broad daylight when they answered a knock at their front door .