A.R.S. § 13-758

The director of the state department of corrections or the director's designee shall be present at the execution of all death sentences and shall invite the attorney general and at least twelve reputable citizens of the director's selection to be present at the execution. The director shall, at the request of the defendant, permit clergymen, not exceeding two, whom the defendant names and any persons, relatives or friends, not exceeding five, to be present at the execution. The director may invite peace officers as the director deems expedient to witness the execution. No persons other than those set forth in this section shall be present at the execution nor shall any minor be allowed to witness the execution.