Lawrence Bittaker, along with partner Roy Norris, used to drive around with a toolbox looking for victims to torture during a heinous five-month stretch in 1979.
After the lifeless body of Elaine Goldberg, 21, was found in a vacant lot in the Kensington neighborhood of Philadelphia, two other women were found dead in similar, brutal fashions.
Authorities scrupulously worked to identify a woman found brutally murdered in the dunes of Provincetown, Massachusetts, a case that would haunt New England for decades.
Dr. James Sowa, a 64-year-old chiropractor, was found bleeding and unconscious in his home. Investigators traced the crime to a suspect who was angry at him for a shocking reason.
Surveillance video showed someone firing a gun at the back of Patricia McDermott's head. When Juan Covington emerged as a suspect, police were shocked by what came next.
Including new case details, the two-hour special examines the 50-year quest to identify a murdered woman and her killer, which unexpectedly dovetailed into one man's search for his birth mother.
After Chester Police Department Corporal Michael “Mike” Beverly was murdered in Pennsylvania, investigators used a "radical maneuver" to track down his killer.
Chris McMullin, host of a new Oxygen True Crime show about murder cases in Philadelphia, was inspired to go into law enforcement after a sweet encounter with police as a child.
Civic leader Barney Simms, 70, was found gunned down in his own front yard. Evidence pointed to him being at a Waffle House with Eric Banks, 17, earlier that day.
Two months after Karen Lofton and her daughter Karissa, 16, were fatally shot in their Maryland home, the burned bodies of Delores DeWitt and her daughter, Ebony, 19, were found in a car trunk.