Question:  Park Dietz is a forensic psychiatrist who consulted or testified in the criminal case of an American contract killer who was associated with members of what Newark family?
Sentence (from "Clinical vampirism"): The earliest formal presentation of clinical vampirism to appear in the psychiatric literature, with the psychoanalytic interpretation of two cases, was contributed by Richard L. Vanden Bergh and John F. Kelley in 1964.
Relevant evidence: No