The Misbegotten Son: A Serial Killer and His Victims - The True Story of Arthur J. Shawcross

by Jack Olsen

Chromosome study revealed that he is a 47,XYY individual, a condition where psychiatric diagnoses such as antisocial personality disorder, schizoid personality and emotionally unstable personality are frequently made.”

The clinical correlates of abnormally elevated kryptopyrroles in humans are partial disorientation, abnormal EEG’s, general “nervousness,” depression, episodes of dizziness, chest and abdominal pains, progressive loss of ambition, poor school performance and decreased sexual potencies, all of which are found in the history of Arthur Shawcross. Abnormal levels of kryptopyrroles also correlate with marked irritability, rages, terrible problems with stress control, diminished ability to control stress, inability to control anger once provoked, mood swings, poor memory, a preference for night time, violence and antisocial behavior. . . . As a biochemical marker, elevated kryptopyrroles can identify individuals at high risk for becoming violent.