9th Circuit overturns Hawaii butterfly knife ban, citing Supreme

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 reviewing the legitimacy of gun and other weapons laws nationwide.

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Court cuts down Hawaii knife ban in controversial Second Amendment case

Court cuts down Hawaii knife ban in controversial Second Amendment case

Ninth Circuit rules Hawaii butterfly knife ban violates Second Amendment

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9th Circuit overturns Hawaii butterfly knife ban

Hawaii's 'Butterfly Knife' Ban Violates Second Amendment, Says Ninth Circuit