John Macdonald (psychiatrist)

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John Marshall Macdonald (November 7, 1920 - December 16, 2007) was a forensic psychiatrist most renowned for his discovery of the Macdonald triad of sociopathic traits and his profiling of serial killers. He has published approximately a dozen books in his field.

[edit] Early life

Macdonald was born in Dunedin, New Zealand,

[edit] Bibliography