History’s most infamous serial killers had calling cards, from names and symbols to systems and strategies of predation. But the only thing tying together the story of Edward Wayne Edwards was his ability to resist definition. He was a robber and a self-proclaimed “reformed man.” He was a father and a Zodiac Killer enthusiast. He was a vocal opponent of crime while murderously slipping under the radar. To this day, it’s unclear all that he got away with.