Florida passed a red flag law after the 2018 school shooting in Parkland. During a visit to that site, Harris announced a new White House effort designed to get more states to put those laws to work.

Sean Hodgson watched and worried as Robert Card, his best friend of 20 years and a fellow Army reservist, unraveled. But warnings he sent in September, six weeks before Card's attack, were dismissed.

Domestic violence victims believe that 'red flag' laws that remove firearms from people in crisis can save lives. The U.S. Supreme Court will consider the issue in a Texas case next month. Former Georgia prosecutor April Ross has been a quadriplegic since her estranged husband shot her before killing himself in 2014. She says what's lost in the argument is the value of human life — including his.

Overwhelming majorities want to see universal background checks, raising the age to buy any kind of gun to 21 and red flag laws. But just a quarter trust the government to look out for them.

Early negotiations have found bipartisan support for incentivizing states to pass laws that let authorities seize guns from individuals found to be a danger to themselves or others.