Originally Posted by Matt 26z

There will be a ban on gun printing files. It's already illegal to post bomb making information online. They enacted that after the Columbine massacre even though their bombs failed to go off. All it took was them getting the plans from the internet.

So someone will print out a gun and go on a shooting spree with it. Survivors of those killed will sue the printer companies and the site that served the gun printing file. Then the government will ban the files altogether.