After months of terrifying, anonymous phone calls in which a man alternated between professing love and issuing violent threats like “when I get you alone, I’ll cut you into pieces,” 32-year-old Dorothy Jane Scott vanished late on May 28, 1980. In the early hours of May 29, her car was discovered burning in an alley—not far from the hospital she had last been seen—and yet Dorothy was nowhere to be found...