William J. Birnes

William J. "Bill" Birnes is an American author, ghostwriter,expert on serial killers, chairman of the board at Sunrise Community Counseling Center, and ufologist. He was the publisher of and wrote for UFO Magazine, and was the lead investigator on the TV show UFO Hunters. He has authored or coauthored books on a variety of topics, including the paranormal, UFOs, criminology, computer science, and novels. He ghostwrote The Day After Roswell with Philip J. Corso, which appeared on The New York Times Best Seller List.