Detective Mike Rothmiller served for ten years with the Los Angeles Police Department (LAPD), five of those years as a deep undercover detective with the Organised Crime Intelligence Division (OCID). He is the author of numerous books, his first, LA Secret Police: Inside the Elite LAPD Spy Network, was a New York Times bestseller. Alongside his dedication to public service, Mike Rothmiller has established a media career producing television documentaries and working as a correspondent and presenter for America's PBS, ESPN and other international television markets.

Douglas Thompson is the author of numerous books from major Hollywood biographies to revelatory bestsellers about remarkable people and events. The author, broadcaster and international journalist, is a regular contributor to major newspapers and magazines worldwide. With Christine Keeler, he wrote her revealing memoir The Truth at Last. His bestseller, The Dark Heart of Hollywood, detailed the history and influence of organised crime on the film capital and is being developed as a multi-season television series.