This true story of an ex-Marine who fought crime as an undercover cop, a narcotics agent, and finally a federal prosecutor spans a decade of crime fighting and

Describes Diaz's daring undercover effort to stop New York City kingpin Leroy "Nicky" Barnes, describing his infiltration of the dangerous drug operation and sh

The explosive New York Times bestselling memoir of a Muslim American FBI agent fighting terror from the inside. A longtime undercover agent, Tamer Elnoury joine

The explosive memoir of an FBI field operative who has worked more undercover cases than anyone in history. Within FBI field operative circles, groups of people

At 6'4" and 375 pounds, Jack Garcia looked the part of a mobster, and he played his part so perfectly that his Mafia bosses never suspected he was an undercover