3D-printed or ghost guns are a growing global security threat

Get the Full StoryArrests and seizures connected to 3D-printed guns are escalating quickly.

Police investigating the shooting of UnitedHealthcare CEO Brian Thompson on Dec. 4, 2024, have announced that the suspected assailant had used a 3D-printed gun. Several high-profile crimes in recent years have involved this kind of homemade, or partially homemade, weapon.

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