Arizona Judge Examines Sealed Grand Jury Transcript

The review will assess potential investigator misconduct in a 2022 election interference case.

Updated on Oct. 9, 2026 in Criminal Justice

Arizona Judge Examines Sealed Grand Jury Transcript

Live Poll

Do you trust the court system to adequately address misconduct by investigators in criminal cases?

An Arizona judge has ordered an in camera review of a sealed grand jury transcript to investigate allegations of misconduct against a lead investigator. The move stems from a case involving Tom Crosby, who faces conspiracy and election interference charges.

Why it matters

Crosby argues that evidence regarding the investigator's history of dishonesty warrants a remand of his case to a grand jury. The court is examining whether false statements were presented during the initial indictment process.

Judge Suzanne S. Marwil is reviewing the grand jury record following reports that Special Agent Knuth submitted falsified police statements and inaccurately reported work hours. These allegations follow a prior case where a grand jury declined to indict a defendant after the investigator's testimony was excluded.

The players

Tom Crosby

He is a Cochise County supervisor who was indicted on charges of conspiracy and interference with an election officer in 2022.

Suzanne S. Marwil

She is an Arizona judge presiding over the proceedings involving the review of grand jury transcripts.

Peggy Judd

She is a fellow Cochise County supervisor who pleaded guilty to conspiracy and election interference charges in October 2026.

Special Agent Knuth

He is the former investigator for the attorney general's office who resigned following findings of workplace misconduct and dishonesty.

The details

Crosby's legal team is seeking to impeach the credibility of the investigator by highlighting findings of dishonest behavior that led to the agent's resignation in January 2026. The judge has required the defense to file a sealed affidavit detailing how they obtained documentation related to the motion to remand.

Tom Crosby was indicted on election interference charges in 2022.
Special Agent Knuth was investigated for falsified reports in fall 2025.
The investigator inaccurately reported work hours between October 2025 and January 2026.
Special Agent Knuth resigned from the attorney general's office in January 2026.

Legal Context

This case is part of a broader series of legal actions stemming from the 2022 Cochise County election canvassing controversy. The integrity of the investigative process has become a central point of contention in similar prosecutions across the state.

The potential exclusion of key evidence or the dismissal of charges due to investigative misconduct could reshape the final outcome of this high-profile election case. Local residents and stakeholders are closely watching how the court reconciles administrative failings with the validity of the underlying criminal indictment.

The takeaway

The court's decision to scrutinize grand jury transcripts underscores the importance of investigator integrity in the criminal justice system. A successful impeachment of the lead agent could set a significant precedent for how future election-related cases are prosecuted in Arizona.