Minnesota is the latest to enact laws to prevent "nominee purchases" and stem the flow of illegal guns. But do they work?
A new program at Harborview Hospital in Seattle would borrow heavily from methods generally used in areas other than gun violence prevention.
State and federal lawmakers have borrowed an idea from anti-drug policy to try to reduce gun crimes.
As Los Angeles considers the latest version of the contentious policy, here are four key things to know about a recurring gun safety fight.