OPINION
Defendants Martin Portillo and Mario Tercero were convicted of various crimes in separate, unrelated trials. Over defense objection in both cases, the trial court gave an instruction defining the term “reasonable doubt.”
1
Concluding that the instruction was not improper, the court of appeals affirmed Tercero’s conviction by memorandum decision.
State v. Tercero,
No. 1 CA-CR 93-0348, mem. dec. at 8 (Ariz.Ct.App. July 26, 1994). In Portillo’s case, the court of appeals similarly found no error in giving the instruction, although it reversed his conviction on other grounds.
State v. Portillo,
1. Should trial judges be required to instruct the jury on the meaning of reasonable doubt?
2. If trial judges are so required, what instruction or definition would be appropriate?
We have jurisdiction under Ariz. Const, art. 6, § 5(3) and A.R.S. § 12-120.24.
DISCUSSION
A. Constitutional Standards
It is well established that the Due Process Clause protects criminal defendants against conviction “except upon proof beyond a reasonable doubt” of every element of the crime charged.
In re Winship,
Within these broad constitutional parameters, therefore, state courts are free to decide whether to define reasonable doubt and, if so, the content of such a definition. We note initially that the RAJI 5 reasonable doubt instruction given in these cases adequately conveyed the state’s burden of proof and thus fully complied with due process requirements. The Supreme Court, in fact, has explicitly held that essentially identical definitions do not offend federal concepts of due process.
Victor,
— U.S. at—,—,
B. To Define, or Not to Define ...
Defendants and some of the amici argue that the meaning of reasonable doubt is self-evident and that efforts to define it lead only to confusion or even dilution of the state’s burden of proof. The state disagrees, claiming that jurors often do not understand the bare words “reasonable doubt,” and urges that we exercise our supervisory authority under Ariz. Const, art. 6, §§ 3 and 5 to require trial courts to give the RAJI 5 definition in all cases. Both sides cite and our own research reveals a litany of court decisions, empirical studies, and scholarly commentaries supporting their disparate claims. 4
*595
This court has long recognized the significance of the reasonable doubt standard of proof, repeatedly emphasizing that trial judges must give a reasonable doubt instruction, both orally and in writing, after the close of evidence.
State v. Johnson,
Proof beyond a reasonable doubt has “traditionally been regarded as the decisive difference between criminal culpability and civil liability.”
Jackson v. Virginia,
Those who would not define reasonable doubt, like the court of appeals in
Portillo,
argue that attempts to do so may only further confuse jurors or even lower the state’s standard of proof.
See Portillo, 179 Ariz.
at 121,
Much of the confusion about defining reasonable doubt likely stems from the multiple and varying definitions courts have developed over the years, some of which justify the criticism that definitions can distort its meaning.
E.g., Cage,
Pursuant to our supervisory authority and revisory jurisdiction under Ariz. Const, art. 6, §§ 3 and 5, therefore, we instruct that in every criminal case trial courts shall give the reasonable doubt instruction that we set forth below.
C. The Appropriate Definition
Arizona courts have traditionally given the RAJI 5 definition of reasonable doubt, which, as noted, satisfies due process and does not provide these or any other defendants in past cases a basis for claiming error. Arguably, however, that definition is somewhat unclear to the extent that it suggests jurors cannot consider “possible doubt[s]” about the evidence. After reviewing several alternatives, we believe that the following variation of the Federal Judicial Center’s proposed definition most fairly and accurately conveys the meaning of reasonable doubt:
The state has the burden of proving the defendant guilty beyond a reasonable doubt. In civil cases, it is only necessary to prove that a fact is more likely true than not or that its truth is highly probable. In criminal cases such as this, the state’s proof must be more powerful than that. It must be beyond a reasonable doubt.
Proof beyond a reasonable doubt is proof that leaves you firmly convinced of the defendant’s guilt. There are very few things in this world that we know with absolute certainty, and in criminal cases the law does not require proof that overcomes every doubt. If, based on your consideration of the evidence, you are firmly convinced that the defendant is guilty of the crime charged, you must find him/her guilty. If, on the other hand, you think there is a real possibility that he/she is not guilty, you must give him/her the benefit of the doubt and find him/her not guilty.
See
Federal Judicial Center, Pattern Criminal Jury Instructions 17-18 (Instruction 21) (1987). We agree with Justice Ginsburg that this instruction “surpasses others ... in stating the reasonable doubt standard succinctly and comprehensibly.”
Victor,
— U.S. at —,
DISPOSITION
To ensure that the reasonable doubt standard of proof continues to serve its “vital role in the American scheme of criminal procedure,”
Winship,
Because the trial court in
Tercero
did instruct on reasonable doubt and because the court of appeals correctly held that the instruction given in these cases did not violate due process, we affirm defendant Tercero’s convictions. To the extent it is inconsistent with this opinion, we vacate the court of appeals’ opinion in
Portillo. See
Notes
. The instruction in each case read:
The term reasonable doubt means doubt based upon reason. This does not mean an imaginary or possible doubt. It is a doubt which may arise in your mind after a careful and impartial consideration of all the evidence or from the lack of evidence.
The Note to Recommended Arizona Jury Instructions Standard Criminal 5 (1989) (“RAJI 5”) suggests this definition as an "optional” reasonable doubt instruction.
. See Ariz.R.Civ.App.P. 8(b).
. The origin and history of the reasonable doubt standard have been well documented and we need not repeat them here. We commend to the interested reader, however, Anthony A. Morano, A Reexamination of the Development of the Reasonable Doubt Rule, 55 B.U.L.Rev. 507 (1975).
.
Compare Lansdowne v. State,
. The "hesitate to act” standard was aptly criticized as a "misplaced” analogy by a committee of federal judges reporting to the Judicial Conference of the United States.
See Victor,
— U.S. at —,
