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ATF training Houston-area officers on how to look out for Glock switches, 3D printers
Read full article: ATF training Houston-area officers on how to look out for Glock switches, 3D printersInvestigators from the Bureau of Alcohol, Tobacco, Firearms and Explosives are on a mission to train law enforcement agencies nationwide on how to spot illegally manufactured machine guns and the devices used to create them.