FBI agent Scott Payne, known as the 'Hillbilly Donnie Brasco,' risked his life to expose violent neo-Nazi cells.Payne worked against drug trafficking, human trafficking, and domestic terrorism throughout his career.He went undercover with the Outlaws Motorcycle Club and helped arrest a white nationalist planning an attack on a synagogue.Payne shares insights on undercover protocol, surveillance techniques, and the future of the FBI.