14. The Magpul FMG-9 is a submachine gun that folds up into a rectangular block the size of a laptop battery. It's mostly made of a lightweight polymer rather than metal. 13. It's not technically ...

The firearm found on the suspect in the murder of the UnitedHealthcare CEO is believed to have been an untraceable ghost gun, according to police.

officers say he showed them a fake ID. And his backpack contained a functional handgun made with 3D-printed parts: a so-called ghost gun. If you're enjoying this article, consider supporting our ...