US lawArizonaCourt rulesARE — Rules of Evidence for Courts in the State of ArizonaArticle VI. Witnesses607Ariz. R. Evid. 607Rule 607. Who May Impeach a WitnessLast amended: 2012Year: 2026Length: 14 wordsOfficial source Any party, including the party that called the witness, may attack the witness's credibility.PreviousAriz. R. Evid. 606NextAriz. R. Evid. 608