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About John Macdonald
John Marshall Macdonald was a forensic psychiatrist most renowned for his theory of the Macdonald triad of sociopathic traits and his profiling of serial killers. He published approximately a dozen books in his field.
Everything about John Macdonald →- Occupation
- psychiatrist
- Citizenship
- New Zealand
- Born
- November 7, 1920
- Died
- November 16, 2007