The Biofire smart gun is expected to hit the market in 2024. Some believe that when it does, it could significantly help curb the gun crisis we're facing in this country. One of the main advantages of ...

Secured by fingerprint and 3D infrared facial recognition, Biofire Technologies announced the 9mm handgun in a news release on April 13. It works in a wide variety of conditions, including if a user ...

At a firing range in an industrial section of Broomfield, Colorado, near Denver, Kai Kloepfer loads a 9-millimeter pistol and pulls the trigger. There's a loud bang and a new hole in the paper target.

In the 2012 film Skyfall, Q presents James Bond with a special handgun for his latest mission — a Walther PPK 9mm short — fitted with a sensor encoded to Bond's palm print so only he can fire it. It's ...

Kai Kloepfer, 19, has developed a prototype gun that unlocks with a fingerprint sensor, like a smartphone. Could it save lives? WSJ's Geoffrey A. Fowler takes it for a first test shot. Photo/Video: ...