Jay Dobyns served as a special agent with the Bureau of Alcohol, Tobacco, Firearms from 1987 to 2014. He was a participant in over five hundred undercover operations. His book, No Angel: My Harrowing Undercover Journey to the Inner Circle of the Hells Angels, is a New York Times bestseller. He is a keynote speaker, lectures on law enforcement topics, consults on film and television projects, and coaches high school football. He lives in Tucson, Arizona.
