Question: What forensic psychiatrist consulted on numbers cases including one for a contract killer associated with the DeCavalcante crime family?
Sentence (from "Park Dietz"): Park Dietz (born 1948) is a forensic psychiatrist who has consulted or testified in many of the highest profile US criminal cases including Joel Rifkin, Arthur Shawcross, Jeffrey Dahmer, The Unabomber, Richard Kuklinski, the Beltway sniper attacks, and Jared Lee Loughner.
Relevant evidence: Yes