Alan R. Warren is an award-winning, bestselling author and the long-time producer and host of the widely popular NBC radio show House of Mystery. For over 13 years, the program has captivated audiences on stations such as KCAA 106.5 F.M. Los Angeles, 102.3 F.M. Riverside, 1050 A.M. Palm Springs, and KKNW 1150 A.M. Seattle/Tacoma, while also being syndicated across the United States.

Warren has authored 34 nonfiction books, specializing in true crime, cults, human trafficking, history, and memoirs, published by notable houses like RJ Parker/Vronksy Publishing (Canada) and WildBlue Press (USA). His work has garnered widespread acclaim, with several titles achieving bestseller status.

In Canada, his standout works include Beyond Suspicion: The True Story of Colonel Russell Williams, featured on CNN’s Lies, Crimes & Videos (Season 4, 2022), and Murder Times Six: The True Story of the Wells Gray Park Murders. In the U.S., his bestselling The Killing Game: Serial Killer Rodney Alcala has been spotlighted on shows such as HLN’s Very Scary People with Donnie Wahlberg, Oxygen Network’s Mark of a Killer, and Reelz Channel’s Killer Trophies. The book also inspired the Prime Video three-part documentary Dating Death and contributed to the Netflix movie Woman of the Hour.

His book Doomsday Cults: The Devil's Hostages was featured in Vice’s Dark Side of the ’90s (Episode 7), further solidifying his reputation as a preeminent true crime author.

Warren’s Killer Queens series explores high-profile murders impacting the LGBTQ+ community, with titles such as Leopold & Loeb, Butcher of Hanover: Fritz Haarmann, Grindr Serial Killer Stephen Port, and Bruce McArthur: Toronto Gay Killer.

His latest endeavor, the five-book series Murderous Minds: Encyclopedia of Serial Killers, offers an in-depth examination of serial killers across the globe, covering regions like the Soviet Union, France, Britain, Australia, and Germany.

Alan R. Warren’s ability to bring riveting, fact-based narratives to life has made him a trusted voice in the true crime genre, both in print and on the airwaves.