The issue focused on what law enforcement officials would do in the event of a federal response. Law enforcement officials have said that they are likely to take legal action against anyone who carries an illegal gun.

Seth Stoughton, legal director for the Gun Owners of America, which supported the legislation, told USA Today: "We're now going to be criminalizing individuals and civil rights," he said.

In 2014, Arizona Attorney General Mark Brnovich joined law enforcement officials in issuing a statement saying