CHICAGO (CBS) -- U.S. Customs and Border Protection announced Tuesday that its officers seized more than 1,500 devices to turn weapons fully automatic ... Most of the Glock switch shipments ...

A Glock switch, also known as an auto sear or machine gun conversion device, is an illegal aftermarket accessory that converts a semiautomatic Glock pistol into a fully automatic weapon.

Officers recovered four firearms and 35 Glock Switches that were advertised and sold through social media. Glock Switches can turn semi-automatic firearms into fully automatic weapons. Three search ...

CHICAGO (CBS) -- U.S. Customs and Border Protection announced Tuesday that its officers seized more than 1,500 devices to turn weapons fully automatic ... Most of the Glock switch shipments ...

An investigator went back to where the gun was thrown out and found a Glock pistol with a switch attachment, a tiny device that can turn a semi-automatic weapon into a fully automatic machine gun.

Deputies in the area noticed a strong smell of marijuana coming from the vehicle and a search of the vehicle revealed two Glock 9mm handguns ... handguns into fully automatic machine guns.

Officers recovered four firearms and 35 Glock Switches that were advertised and sold through social media. Glock Switches can turn semi-automatic ... Texas Kill Switch," a statewide initiative ...