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A scientist says he can scan prisoners’ brains for signs of evil. Did his disputed science put a man on death row?

Kent Kiehl convinced the US legal system he can find violence in prisoners’ brains. His theories have been since used by defense lawyers – with grave consequences for prisoners

A scientist says he can scan prisoners’ brains for signs of evil. Did his disputed science put a man on death row?

TL;DR

  • Kent Kiehl claims to be able to detect violence in prisoners' brains.
  • His theories have been accepted by the US legal system.
  • Defense lawyers have used his theories in court.
  • The use of his theories has had serious consequences for prisoners.