“We need you back.” It was a call FBI informant and former Army sniper Joe Moore never expected to get. He’d already infiltrated the Ku Klux Klan once before, and his contributions prevented an assassination attempt targeting then-presidential candidate Barack Obama. Moore nearly lost his life in the process. But now, the FBI needed Moore’s help once again. This shocking, propulsive memoir recounts Moore’s true story of becoming one of the most valuable undercover agents in the FBI’s history, revealing how he infiltrated the KKK’s “Invisible Empire” at the highest levels not once but twice. In vivid, heart-pounding detail, Moore reflects on the horrors of his double life and the steep personal costs of immersing himself in the Klan’s racist ideology, sickening violence, and twisted rituals. Of all the explosive information Moore obtains and covertly passes to the FBI, the most chilling is the presence of right-wing extremists throughout law enforcement across Florida—police officers, p