How outlaw biker gangs actually work, according to a former ATF agent

Frank D'Alesio is a retired special agent for the Bureau of Alcohol, Tobacco, Firearms and Explosives who spent nearly two decades embedded in investigations targeting outlaw motorcycle clubs. D'Alesio also supported national ATF cases involving the Outlaws, Mongols, and Warlocks. From 2004 to 2005, operating undercover as "Junkyard," D'Alesio led one of ATF's largest regional sting operations involving the Hells Angels and the Aryan Brotherhood. The operation infiltrated chapters in northeas...