opinion of the Court:
¶ 1 We hold that, pursuant to Arizona Rule of Ciiminal Procedure 11.4(b), a defendant who asserts an insanity defense and voluntarily undergoes a mental health exam must disclose a complete copy of the expert’s examination report, including any statements made by the defendant concerning the charges against him. Accordingly, we disapprove the holding in Austin v. Alfred,
BACKGROUND
¶ 2 Defendant Josh Rasmussen was indicted for armed robbery and felony murder. After the charges were filed, his attorney consulted with several mental health experts regarding a possible insanity defense. Based on their opinions, defense counsel filed a supplemental notice of defenses listing insanity, or guilty except insane, as a defense. A.R.S. § 13-502(A).
¶ 3 Rasmussen eventually retained a psychologist to testify in support of his insanity defense. The State and Rasmussen also agreed to an examination by a joint expert. Both experts prepared reports that included statements Rasmussen made about the pending charges.
¶ 4 The State requested copies of the experts’ reports. Defense counsel produced copies, but redacted Rasmussen’s statements. The State moved to compel, seeking disclosure of complete copies. Rasmussen objected based on Austin,
¶ 6 The court of appeals accepted jurisdiction and granted relief, reversing the superior court’s order. State v. Hegyi,
¶ 6 We granted review to resolve whether Rule 11.4(b) requires a defendant to disclose his statements contained in a mental health expert’s report. We have jurisdiction pursuant to article 6, section 5(3) of the Arizona Constitution and A.R.S. § 12-120.24.
DISCUSSION
¶ 7 We review de novo the interpretation of constitutional provisions, statutes, and rules. State v. Hansen,
¶ 8 Rasmussen argues the statements he made during his mental health exams are privileged under the Fifth Amendment and, as a result, are not subject to disclosure under Rule 11.4(b). U.S. Const, amend, V.
¶9 The Fifth Amendment applies to statements made by a defendant during a court-ordered mental health examination. Es
¶ 10 However, when a defendant asserts an insanity defense, he waives his self-incrimination privilege. Kansas v. Cheever, — U.S. -,
¶ 11 In contrast to a court-ordered exam, a defendant may request a mental health exam. In such cases, a defendant’s statements to the examiner are not compelled. Thus, because the Fifth Amendment only applies to compelled statements, the privilege is not implicated. See Buchanan v. Kentucky,
¶ 12 Consistent with these principles, Arizona’s rules and statutes governing mental health exams preserve a defendant’s privilege against self-incrimination. Cf. Hansen,
¶ 13 Arizona’s rules and statutes also provide that a defendant may waive his self-incrimination privilege if he asserts an insanity defense. Rule 11.7(a) prohibits admission of a defendant’s statements “unless the defendant presents evidence intended to rebut the presumption of sanity.” Similarly, Rule 11.7(b)(1) provides that a defendant’s statements about the pending charges are not admissible “without his [ ] consent.” See State v. Fitzgerald,
¶ 14 Finally, Rule 11.4 addresses disclosure of a defendant’s statements made during court-ordered and noncompulsory exams. Compare Rule 11.4(a) (referring to “Reports
¶ 15 Relying on Austin, Rasmussen argues that to safeguard his privilege against self-incrimination, the redaction provision contained in Rule 11.4(a) should be read into Rule 11.4(b). Austin,
¶ 16 Rasmussen also contends that Rule 11.7(b)(1) prohibits disclosure of his statements. We disagree. Here, Rasmussen waived the privilege contained in Rule 11.7(b)(1) by asserting an insanity defense. See supra at ¶13.
¶ 17 Rasmussen also argues that, as a policy matter, compelling defendants to disclose statements under Rule 11.4(b) will force defense counsel to make an untenable choice. On the one hand, if counsel seeks to investigate whether a defendant has a viable insanity defense, and retains an expert to assist in investigating that possibility, the defendant’s potentially incriminating statements must be disclosed to the state. On the other hand, if counsel foregoes investigating an insanity defense in order to protect a defendant’s incriminating statements from the state, the defendant may be deprived of asserting a viable defense. Cf. Austin,
¶ 18 These concerns are unwarranted. The work product privilege protects disclosure of a defendant’s statements to an expert retained solely for the purpose of trial preparation. See Ariz. R. Crim. P. 15.4(b)(1) (work product privilege); see also Ariz. R. Civ. Proc. 26(b)(4)(B) (“[A] party may not discover facts known or opinions held” by an expert retained for trial preparation “and who is not expected to be called as a witness at trial.”). However, when a defendant asserts an insanity defense and lists a mental health expert as a trial witness, the work product privilege is waived, and his statements to the expert must be disclosed. State ex rel. Corbin v. Ybarra,
¶ 19 Although we hold that disclosure is required under Rule 11.4(b), this does not mean that all of Rasmussen’s statements are admissible at trial. Such statements are only admissible to rebut his insanity defense, and are not admissible to prove his guilt. AR.S. § 13-4508(B); Cheever,
¶ 20 We therefore hold that under Rule 11.4(b), a defendant who asserts an insanity
CONCLUSION
¶ 21 For the foregoing reasons, we vacate the opinion of the court of appeals, reverse the superior court’s order denying the state’s motion to compel, and remand the case to the superior court for further proceedings.
