Details surrounding the sudden disappearances of several young women in Provincetown, Massachusetts, put police attention on local carpenter Tony Costa.
Over a thirteen-year span, computer programmer Richard Cottingham targeted women, mostly prostitutes from Times Square, New York, for sex and brutal slaughter up until 1980.
With only circumstantial evidence available, Virginia authorities use DNA testing to tie the meticulous and well-spoken Southside Strangler to his series of prolonged torture-murders.