German serial killer nurse Niels Hoegel is suspected of killing more than 100 patients at two hospitals in Germany. Beatrice Yorker, an expert in serial killings in health arenas, tells us how killers in medical professions often get away with the crime.
Quite often it is only in hindsight that the friends and family of a mass-shooting perpetrator realize that the bloodbath was actually the climax of a series of foretelling clues from an angry, violent, paranoid, withdrawn person, who happens to have a newfound fixation with guns. Such devastating epiphanies beg the question: Can we predict tomorrow's mass shooter?
A&E Real Crime spoke with Thomas Hargrove of the Murder Accountability Project about the 2,000 or so serial killers he believes are prowling the streets right now, how his algorithm helps tease out data and what Hollywood gets wrong about these murderers.