Sons of Anarchy meets The Departed in this fast-paced, high-wire act memoir from former ATF agent Ken Croke, the first federal agent in history to go undercover and successfully infiltrate the infamous—and infamously violent—Pagan Motorcycle Club, a white supremacist biker gang.  Longtime ATF agent Ken Croke had earned the right to coast to the end of a storied career, having routinely gone undercover to apprehend white supremacists, gun runners, and gang members. But after a