Phoenix police will be on patrol New Year's Eve for random celebratory gunfire.
Police say neighborhood enforcement teams will be passing out flyers and arresting violators.
It's felony in Arizona to carelessly discharge a firearm within the city limits. That crime became law after the death of 14-year-old Shannon Smith in 1999.
The teen was talking on the phone in the backyard of her central Phoenix home when she was killed by a stray bullet.