"The .380 bullets fired from the Liberator penetrate sufficiently to reach vital organs and perforate the skull."
The Internet has its own version outlaws, and it's unclear if they're idealistic heroes or mere criminals.
The nonprofit behind the first 3-D-printed gun is preparing for a legal battle that will determine the future of open-source weapons.
A YouTube video shows a test shot from the first-ever 3-D printed rifle.
"It works a bit like an antivirus," Create It REAL CEO Jeremie Pierre Gay told Motherboard.
The technology could enable weapons to slip through metal detectors undetected, a leaked memo warns.