 2011 said in a written statement, political violence is terrifying, I know. Political violence is un-American and is never acceptable, never. Arizona Republican Congressman Paul Gosar called the attack a heinous assassination attempt. Democratic Senate candidate Ruben Gallego said political violence should never be tolerated. Independent Senator Kyrsten Sinema said violence, especially political violence, is completely unacceptable. The Bullhead City School District Governing Board has voted to ban cell phones and backpacks for students for the new school year.