Why law enforcement fears new 'ghost gun' bans won't stop the surge

Over the past several years, Democratic states have increasingly moved to crack down on "ghost guns," unserialized firearms assembled from kits or homemade parts that are difficult for law enforcement to trace and have become the focus of gun control efforts.

Earlier this month, Gov. Kathy Hochul (D-NY) included legislation in her latest budget barring 3D printers from having the software that allows ghost guns to be printed. Additionally, in April, Gov. Abigail Spanberger (D-VA) approved sweeping gun control legislation banning ghost guns in Virginia, following similar efforts in California, New York, and New Jersey...