The Supreme Court seemed likely Tuesday to uphold a Biden administration regulation on ghost guns, the difficult-to-trace weapons found in increasing numbers at crime scenes.

The White House reiterated the dangers of “ghost guns” and its legal authority to regulate them ahead of a Supreme Court ruling on the issue. “We know ghost guns are the weapon of choice for many gun traffickers,

On the second day of the new term, the justices will wrestle with whether the federal government can regulate kits that can be assembled into untraceable homemade guns.