The Second Amendment is arguably the most interesting area of American constitutional law right now. Courts and judges have already spent more than two centuries defining the scope of what counts as ...

A conservative three-judge panel of the 9th U.S. Circuit Court of Appeals ruled last August that the knives could be considered “arms” and that Hawaii’s law violated Second Amendment standards that ...

A conservative panel of federal judges ruled Monday that a 30-year ban on butterfly knives in Hawaii is unconstitutional under the U.S. Supreme Court’s new “history and tradition” standard for ...

The U.S. Court of Appeals for the Ninth Circuit has held that Hawaii's ban on "butterfly knives" violates the Second Amendment, finding the pocketknife-esque blade falls under the definition of "arms.