This Is the Zodiac Speaking (2008)

Director: David Prior

A documentary featuring interviews with the people involved with the Zodiac killings, covering every aspect of the investigation, including the original investigators and surviving victims.

Cast

George Bawart

Himself - Vallejo Police Dept (Ret)

Pierre Bidou

Himself - Benicia Police Dept (Ret)

Russell T. Butterbach

Himself - Solano County Sheriff Department (Ret)