Senator Tammy Duckworth was one of 23 lawmakers to introduce legislation earlier this week that would block the sale of blueprints for 3D-printed firearms.
Speaking on The 21st show, the Illinois Democrat says she hopes to prevent the spread of 3-D printed firearms by blocking the online instructions to create them.
“They're dangerous not just for the potential victims but also for the shooters, they, these guns also tend to blow up.”