The FBI appears to be widening its investigation into possible election irregularities, and the latest development centers on Arizona’s most populous county. According to multiple sources familiar with the probe, federal investigators have obtained a grand jury subpoena for a massive collection of voting records from Maricopa County.
Agents have reportedly begun receiving gigabytes of electronic election data from the county, which includes Phoenix and represents the largest voting jurisdiction in Arizona. The subpoena signals a significant step in the bureau’s investigation and suggests the inquiry may be expanding beyond earlier efforts.
This move follows a separate action by federal authorities roughly a month ago, when the FBI conducted a raid at a warehouse near Atlanta. During that operation, investigators seized ballots tied to the 2020 election in Fulton County, Georgia. That raid sparked immediate attention because Fulton County has long been at the center of disputes surrounding election procedures and ballot handling.
Now Arizona has entered the spotlight again.
Concerns surrounding Maricopa County elections have been circulating for years. In 2021, the Republican-led Arizona Senate launched a detailed review of the 2020 election. That investigation reported a series of irregularities involving ballot verification and handling procedures. Among the findings was an estimate that more than 200,000 ballots with mismatched signatures may have been counted without going through the standard “curing” process required for verification.
County officials disputed that conclusion, stating that roughly 25,000 ballots required signature curing and were processed according to established procedures. The disagreement between state lawmakers and county officials never fully resolved the controversy, and debate over election security in Arizona has continued ever since.
More recently, the FBI was alerted to another report involving election activity in Maricopa County during the 2024 election cycle. According to sources, bipartisan election observers assigned to monitor operations reported witnessing questionable activity at a warehouse where ballots were stored. The observers included one Republican and one Democrat.
Their report allegedly described blank absentee ballots being stored in the same facility as completed ballots, something critics argue could raise concerns about ballot control and chain-of-custody procedures. The observers reportedly documented their findings with photographs showing ballots and the secured warehouse where they were held.
That report has not been released publicly by Congress, but officials say it has been reviewed by federal investigators and may have helped form the basis for the newly issued subpoena.
House Administration Committee Chairman Bryan Steil recently acknowledged that congressional investigators are reviewing election observer reports submitted from across the country.
“We’re digging back through those reports that were submitted by our election observers that were deployed across the country,” Steil said during a recent television interview.
Federal authorities have been tight-lipped about the full scope of the investigation, but an affidavit tied to the earlier Georgia probe revealed that investigators are examining whether election officials violated federal law by failing to follow state rules for distributing and counting ballots.
According to FBI Special Agent Hugh Raymond Evans, some allegations related to ballot handling in Fulton County have already been substantiated, including admissions by local officials acknowledging certain irregularities.
Sources familiar with the investigation say additional subpoenas and searches in other states could follow in the coming weeks.
As Arizona prepares for the 2026 election cycle, tensions around election administration remain high. Disputes between county officials and state leaders continue to play out in courtrooms and legislative hearings, ensuring that the debate over election procedures in Maricopa County is far from settled.

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