Born in Jacksonville, Florida, Joe Moore enlisted as a private in the Army, completing basic training in 1995 before being selected for sniper school in 1997. In large part due to his military service, Joe was first recruited by the FBI and Joint Terrorism Task Force to infiltrate the Ku Klux Klan in 2007. His first stint as a confidential human source lasted three years and was followed by a second infiltration into a second KKK klavern beginning in 2013, lasting two years and resulting in numerous successful prosecutions of noted Klan officials in 2017. He lives today with his wife and four children in an undisclosed location.

Jon Land is the New York Times and USA Today bestselling author of more than 60 books, including the critically acclaimed, award winning Texas Ranger Caitlin Strong series. He has also teamed up with Heather Graham for a science fiction series that began with The Rising and continues with Blood Moon. His next thriller, Leave No Trace, written under the pseudonym A. J. Landau, will be published by Minotaur in January of 2024. Jon has penned eleven nonfiction works as well, including the Boston Globe and national bestseller Betrayal: Whitey Bulger and the FBI Agent who Fought to Bring Him Down. He lives in Providence, Rhode Island.