Advertisement'Smart gun' innovators seek to reduce firearm deathsUpdated July 13, 2022Olivia HamptonfacebookEmailThe LS9, a "smart gun" being developed by LodeStar Works, can be locked or unlocked through three security mechanisms: the owner's thumbprint, a Bluetooth-enabled app and a PIN pad. The little dark square near the yellow sticker on the guns shown here is where the owner's thumb would unlock the gun. (Ginger Chandler)This article was originally published on July 12, 2022.