As World War II developed, engineers found ways to simplifying the Thompson submachine gun, and later M1 and M1A1 Thompsons were easier and less-expensive to produce.

Police in Jackson say 30 guns, including an old Thompson machine gun from the 1930s era, have been found in the home of a nurse caught dealing drugs. News 12 Staff • Aug 14, 2019, 12:00 PM ...

The Thompson machine gun was designed for use in the trenches of World War I, but it came too late for the war and soon found its way onto the open market. With 50- and 100-shot magazines, it ...

Calls for their restriction or banishment escalated, and state legislatures moved to enact new laws. The gun in question was the notorious Thompson machine gun, and the time was the 1920s.