Warren Petersen Defends Sex Offender Registry in Federal Court

Warren Petersen Defends Sex Offender Registry in Federal Court

U.S. District Judge Stephen McNamee ruled on Friday in favor of keeping Arizona's current registration system in place.

Ericka Piñon
Ericka Piñon
November 10, 2025

Arizona Senate President Warren Petersen represented the state in a federal court case last week, defending Arizona's sex offender registration laws in an unusual situation in which state legislators stepped in to argue the case.

U.S. District Judge Stephen McNamee ruled on Friday in favor of keeping Arizona's current registration system in place. The case, Doe v. Sheridan, involved a legal challenge to the state's lifetime registration requirements and reporting rules for certain convicted sex offenders.

Petersen and House Speaker Steve Montenegro asked the court for permission to defend the legislation, which the judge granted. This type of legislative intervention in court cases is uncommon but not unprecedented. State legislators occasionally step in to defend laws in certain situations.

The lawmakers took on the responsibility of representing Arizona's interests and advocating for maintaining the existing registration system.

The Court Case

The case argued that Arizona's registration requirements were unconstitutional. These requirements include lifetime registration for certain offenders, mandatory reporting of address changes, and disclosure of online identities and accounts.

Petersen argued that the registration system serves a public safety purpose by providing information to law enforcement and communities. Judge McNamee sided with this position, ruling that Arizona's monitoring requirements can continue.

After the decision, Petersen stated that the ruling confirms the constitutionality of tracking systems for convicted offenders. He described the outcome as protecting public safety and emphasized that the Legislature stepped up to defend the law.

"This ruling makes clear that tracking convicted sex offenders is not only constitutional – it is necessary to protect families and prevent new victimization," Petersen said in his statement following the court decision.

"The Legislature will always stand up for victims and protect our communities," he concluded.

The ruling maintains Arizona's current sex offender registration requirements without changes.

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Ericka Piñon

Ericka Piñon

Ericka Pinon is a state and federal reporter for Cactus Politics. She was born and raised in Phoenix, Arizona, and is fluent in both English and Spanish. She is currently studying Journalism and Mass Communications at Arizona State University.

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