Himself - Author of 'Zodiac' and 'Zodiac Unmasked'
Himself - Former Solano County Saloon Owner
Himself - Former Friend of Arthur Leigh Allen
Himself - Friend of Donald Cheney & Acquaintance of Arthur Leigh Allen
Himself - College Friend of Arthur Leigh Allen
Himself - Vallejo Police Dept (Ret)
Herself - Criminal Profiler
Himself - San Francisco Police Dept (Ret)
Himself - Napa County Sheriff Dept (Ret)
Herself - City of Vallejo '355' Operator
Himself - Research Professor, Department of Criminal Justice, Texas State University