Published: February 10, 2023, 4:16 PMJACKSONVILLE, Fla. In a 28-page criminal complaint, a federal Bureau of Alcohol, Tobacco, Firearms and Explosives agent claims Shirley was making and selling thousands of dollars’ worth of firearms out of his Northside home — including short-barreled rifles, silencers, and conversion devices, turning firearms into machine guns. Shirley was already on a 10-year probation for trying to sell methamphetamine