Arizona Revised Statutes

Ariz. Rev. Stat. § 13-1003 (2026)

Conspiracy; classification

✓ current as of May 2026

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A. A person commits conspiracy if, with the intent to promote or aid the commission of an offense, such person agrees with one or more persons that at least one of them or another person will engage in conduct constituting the offense and one of the parties commits an overt act in furtherance of the offense, except that an overt act shall not be required if the object of the conspiracy was to commit any felony upon the person of another, or to commit an offense under section 13-1508 or 13-1704.

B. If a person guilty of conspiracy, as defined in subsection A of this section, knows or has reason to know that a person with whom such person conspires to commit an offense has conspired with another person or persons to commit the same offense, such person is guilty of conspiring to commit the offense with such other person or persons, whether or not such person knows their identity.

C. A person who conspires to commit a number of offenses is guilty of only one conspiracy if the multiple offenses are the object of the same agreement or relationship and the degree of the conspiracy shall be determined by the most serious offense conspired to.

D. Conspiracy to commit a class 1 felony is punishable by a sentence of life imprisonment without possibility of release on any basis until the service of twenty-five years, otherwise, conspiracy is an offense of the same class as the most serious offense which is the object of or result of the conspiracy.

Notes of Decisions

Cited in 102 cases (17 in the last 5 years), 1977–2026 · leading case: Date v. Schriro, 619 F. Supp. 2d 736 (D. Ariz. 2008).

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Date v. Schriro, 619 F. Supp. 2d 736 (D. Ariz. 2008). · cites it 27× “BACKGROUND Petitioner is currently serving a sentence of life imprisonment with the possibility of parole after serving 25 calendar years for conspiracy to commit first degree murder, A.R.S. §§ 13-1003, 1105. (Dkt. # 19, pp. 9-12).”

State v. Anderson, 111 P.3d 369 (Ariz. 2005). · cites it 8× “” A.R.S. § 13-1003(A). A conspiracy to commit murder is a completed offense at the time of the agreement to commit the offense.”

State v. Willoughby, 892 P.2d 1319 (Ariz. 1995). · cites it 11× “Conspiracy is defined in A.R.S. § 13-1003(A): A person commits conspiracy if, with the intent to promote or aid the commission of an offense, such person agrees with one or more persons that at least one of them or another person will engage in conduct constituting the offense…”

State v. Barragan-Sierra, 196 P.3d 879 (Ariz. Ct. App. 2008). · cites it 10× “§ 13-2319, and one or more persons, committed the following overt act(s): Each of the above named defendants was a passenger in a vehicle and present in Maricopa County, Arizona on June 23, 20[0]6, in violation of A.R.S. §§ 13-1003, 13-2319, 13-701, 13-702, 13-702.”

State v. Milke, 865 P.2d 779 (Ariz. 1993). · cites it 10× “Whether the trial court imposed an illegal sentence for conspiracy to commit first degree murder when it sentenced Milke pursuant to § 13-1003 rather than pursuant to § 13-703(A).”

State v. Ortiz, 639 P.2d 1020 (Ariz. 1981). · cites it 6× “Under A.R.S. §§ 13-1003, -1006, the conviction of any conspirator is now independent of the conviction vel non of any coconspirator.”

Evanchyk v. Stewart, 47 P.3d 1114 (Ariz. 2002). · cites it 8× “A.R.S. § 13-1003(A) (emphasis added). ¶ 9 Thus, the crime of conspiracy requires both that the perpetrator have an intent to promote or aid commission of a specific offense and that he agrees with another person that the offense be committed.”

State v. Arredondo, 746 P.2d 484 (Ariz. 1987). · cites it 4× “SUFFICIENCY OF THE EVIDENCE Defendant was charged with conspiracy to commit first degree murder.”

United States v. Taison McCollum, 885 F.3d 300 (4th Cir. 2018). · cites it 2× “(citing Ariz. Rev. Stat. Ann. § 13-1003 (A); N.J.”

Charles Byrd v. Phoenix Police Dep't, 885 F.3d 639 (9th Cir. 2018). “Ariz. Rev. Stat. § 13-1003 (A); see also Ariz.”

State Ex Rel. Woods v. Cohen, 844 P.2d 1147 (Ariz. 1992). · cites it 7× “We deal here with his indictment for the crimes alleged in counts 18 through 29 committed by his co-conspirators.”

State v. Avila, 710 P.2d 440 (Ariz. 1985). · cites it 4× “§ 13-1903; and conspiracy to commit armed robbery, A.R.S. § 13-1003. The defendant was sentenced to life imprisonment on each charge and he appeals.”

Show all 102 citing cases →

— Ariz. Rev. Stat. § 13-1003(A) — 49 cases

State v. Willoughby, 892 P.2d 1319 (Ariz. 1995). “Conspiracy is defined in A.R.S. § 13-1003(A): A person commits conspiracy if, with the intent to promote or aid the commission of an offense, such person agrees with one or more persons that at least one of them or another person will engage in conduct constituting the offense…”

State v. Anderson, 111 P.3d 369 (Ariz. 2005). “” A.R.S. § 13-1003(A). A conspiracy to commit murder is a completed offense at the time of the agreement to commit the offense.”

State v. Barragan-Sierra, 196 P.3d 879 (Ariz. Ct. App. 2008). “§ 13-2319, and one or more persons, committed the following overt act(s): Each of the above named defendants was a passenger in a vehicle and present in Maricopa County, Arizona on June 23, 20[0]6, in violation of A.R.S. §§ 13-1003, 13-2319, 13-701, 13-702, 13-702.”

Evanchyk v. Stewart, 47 P.3d 1114 (Ariz. 2002). “A.R.S. § 13-1003(A) (emphasis added). ¶ 9 Thus, the crime of conspiracy requires both that the perpetrator have an intent to promote or aid commission of a specific offense and that he agrees with another person that the offense be committed.”

State of Arizona v. Marcus Deshaun Tucker, Clifton James Cuttler II & Andre Lavelle Armstrong, 290 P.3d 1248 (Ariz. Ct. App. 2012).

— Ariz. Rev. Stat. § 13-1003(B) — 3 cases

State Ex Rel. Woods v. Cohen, 844 P.2d 1147 (Ariz. 1992). “We deal here with his indictment for the crimes alleged in counts 18 through 29 committed by his co-conspirators.”

State v. Superior Court, 821 P.2d 213 (Ariz. Ct. App. 1991).

State v. Vanheemskerck (Ariz. Ct. App. 2025).

— Ariz. Rev. Stat. § 13-1003(C) — 8 cases

Date v. Schriro, 619 F. Supp. 2d 736 (D. Ariz. 2008). “BACKGROUND Petitioner is currently serving a sentence of life imprisonment with the possibility of parole after serving 25 calendar years for conspiracy to commit first degree murder, A.R.S. §§ 13-1003, 1105. (Dkt. # 19, pp. 9-12).”

State v. Anderson, 111 P.3d 369 (Ariz. 2005). “” A.R.S. § 13-1003(A). A conspiracy to commit murder is a completed offense at the time of the agreement to commit the offense.”

State v. Ortiz, 639 P.2d 1020 (Ariz. 1981). “Under A.R.S. §§ 13-1003, -1006, the conviction of any conspirator is now independent of the conviction vel non of any coconspirator.”

State v. Petzoldt, 836 P.2d 982 (Ariz. Ct. App. 1991).

State v. Gaydas, 766 P.2d 629 (Ariz. Ct. App. 1988).

— Ariz. Rev. Stat. § 13-1003(D) — 14 cases

State v. Milke, 865 P.2d 779 (Ariz. 1993). “Whether the trial court imposed an illegal sentence for conspiracy to commit first degree murder when it sentenced Milke pursuant to § 13-1003 rather than pursuant to § 13-703(A).”

State v. Anderson, 111 P.3d 369 (Ariz. 2005). “” A.R.S. § 13-1003(A). A conspiracy to commit murder is a completed offense at the time of the agreement to commit the offense.”

State v. Roseberry, 111 P.3d 402 (Ariz. 2005).

State v. Arredondo, 746 P.2d 484 (Ariz. 1987). “SUFFICIENCY OF THE EVIDENCE Defendant was charged with conspiracy to commit first degree murder.”

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