Question: What person's criminal case has Park Dietz been involved in where the criminal was convicted of murdering five people?
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