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 ...

Citing the Supreme Court’s ruling that severely limited states’ authority to regulate guns, a federal appeals court on Monday struck down Hawaii’s ban on butterfly knives, pocket knives with folding ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. State bans on weapons such as butterfly knives, pictured, and billy clubs are under new legal scrutiny as U.S. judges weigh a 2022 ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. The federal judges' ruling, which may be appealed, has implications beyond Hawaii, including in California and other states that ...