.@​ATFDetroit arrested Alfred Thomas, Alijah Bailey Thomas, and Nehemiah James for selling 40 machinegun conversion devices, some packaged with LEGO bricks, presumably to disguise them. These devices turn semi-automatic pistols into automatic machine guns. ATF remains committed to disrupting illegal firearms trafficking and protecting communities from violent criminals. If you have tips about illegal gun activity, reach out to your local ATF field office or report it at ↧