Why don't guns have fingerprint detection capabilities?
Why don't we make guns with fingerprint sensors?
Is there any open source project for device fingerprinting? How are fingerprints made? Theoretically, how do I build a gun that can 3dprint bullets? Is fingerprint matching scientifically proven and why? Why don't any two persons in the world have the same fingerprint? Why are sniper rifles more accurate than small pistols? What are fingerprints made of? Why doesn't the U.S just perform intense background checks on people who want to purchase guns? How can a gun be made more accurate? Why don't you own a gun? How do 3D-printed guns work?  Don't they need some metal components? Can we make a 3D printer that prints bullets? Can those bullets be fed into a gun automatically? Why can't people in the UK own guns? Coming from the UK, I just don't understand why people need guns. What would those in favor do to convince me of the (any) need to own guns? Why do you own a gun? How do I make a fingerprint scanner at home? What types of fingerprints are there? Why are fingerprints different for everyone? Why are Americans so paranoid and obsessed with guns? Why aren't cartridges regulated instead of firearms? How do made a gun? Why don't the US police use non-lethal weapons? Why are Liberals afraid of a shaped piece metal (gun)? Is it wrong to use a gun to make people respect and fear you? Why do Spec op handguns usually fire .45 ACP and not 9mm? Why does the US military not use AK series rifles? Will the fingerprint sensor in Mi Redmi Note 3 eventually stop working if used frequently? How are left and right thumbprints related? If the AK-47 is supposedly the best firearm, why doesn't the US military use it? Why can't India manufacture their own high quality weapons, particularly guns, instead of importing?