Minneapolis man accused of making machine gun parts using 3D printer

A 25-year-old Minneapolis man has been federally charged with possessing and manufacturing automatic triggers, devices used to convert a semi-automatic firearm into a machine gun.

Minnesota U.S. Attorney Andrew Luger said Aaron Malik Cato had four 3D printers in his home and was in possession of several 3D-printed automotive sears.

In addition to the homemade devices, authorities say Cato also had the parts to make up to 10 other devices. Customs and Border Patrol agents intercepted a package being sent from Taiwan to Minneapolis bound for Cato, and law enforcement conducted a controlled delivery of the package.

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Law enforcement then served a search warrant at Cato’s residence and found seven firearms, three of which had automatic triggers installed, making them machine guns under federal law.

Cato has already made his first court appearance for the case and has been ordered to remain in custody pending further court proceedings.

The arrest comes as local and federal authorities battle an upsurge in automatic gunfire in the Twin Cities.

This case was investigated by Homeland Security Investigations in partnership with the Minneapolis Police Department and other federal agencies.

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