WASHINGTON, DC – APRIL 11: U.S. President Joe Biden holds up a ghost gun kit during an event about gun violence in the Rose Garden of the White House April 11, 2022 in Washington, DC. Biden announced a new firearm regulation aimed at reining in ghost guns, untraceable, unregulated weapons made from kids. Biden also announced Steve Dettelbach as his nominee to lead the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). (Photo by Drew Angerer/Getty Images)