USA TODAY Among the actions Biden will announce is directing the Department of Justice to propose a rule within 30 days to stop the proliferation of "ghost guns," a sort of untraceable weapon often made from a kit that currently does not require a background check. A senior administration official who spoke with USA TODAY on the condition of anonymity confirmed "ghost guns" would be targeted but declined to say whether that meant the Justice Department would classify them as firearms. Gun-control advocates have long pointed to "ghost guns" as problematic and a way for someone to obtain a firearm without having to go through the checks they would otherwise face.