Ariz. Rev. Stat. § 13-2804 : — CRIMINAL CODEINTERFERENCE WITH JUDICIAL AND OTHER PROCEEDINGS —2804 - Tampering with a witness; classification TEXT PDF A. A person commits tampering with a witness if the person knowingly communicates, directly or indirectly, with a witness in any official proceeding or a person he believes may be called as a witness to do any of the following: 1. Unlawfully withhold any testimony. 2. Testify falsely. 3. Absent himself from any official proceeding to which he has been legally summoned. 4. Evade a summons or subpoena. B. Tampering with a witness is a class 6 felony. A.R.S. § 13-2804 Amended by L. 2014, ch. 144,s. 2, eff. 7/24/2014.