The Department of Homeland Security’s investigative branch has opened a review of the 2020 election outcomes in Arizona, sources confirmed, amid reports of subpoenas for voting records in the state’s most influential county, Maricopa, reports Baltimore Chronicle. At the request of Homeland Security Investigations (HSI), Mayes’ office supplied public records from the 2020 election audit conducted under former Attorney General Mark Brnovich, noting that the documents “speak for themselves.”
HSI, the investigative arm of DHS, typically handles transnational crime, such as drug trafficking and human smuggling, rather than election oversight, though it has occasionally examined voter fraud allegations. Mayes clarified that her office’s prior investigation into election claims had involved “10,000 hours investigating every claim made by election deniers, from bamboo ballots imported from China to Italian spy satellites flipping votes to President Biden” and found no evidence supporting any allegation of widespread fraud. She emphasized that these findings remain valid today, confirming that Arizona’s 2020 election results were accurate.
Sources indicate that HSI communicated its plans for the investigation to Mayes’ office shortly after outgoing Homeland Security Secretary Kristi Noem visited Arizona in February 2026. During her visit, Noem responded to questions about voter fraud in the state by asserting, “I’m sure there are many of them,” without providing specific cases. A DHS spokesperson told reporters that while the department could not comment on active investigations, HSI “is actively rooting out and investigating election fraud wherever it can be found” and that under the Trump administration, the agency is committed to ensuring only American citizens participate in elections.
It remains unclear whether HSI’s investigation is directly connected to a subpoena from the Trump administration for records related to the Arizona state Senate’s audit of Maricopa County’s 2020 election results, which cybersecurity firm Cyber Ninjas conducted in 2021. That audit, like official county results, confirmed President Joe Biden as the winner in Maricopa County. Officials from both the Maricopa County Elections Office and Recorder’s Office have reported they have not received any subpoenas.
This probe follows federal scrutiny of 2020 voting records in Fulton County, Georgia, where the FBI served a search warrant in January 2026. Georgia officials have argued in court that the FBI’s review “lacked even the faintest possibility of probable cause.” Both Georgia and Arizona continue to be focal points for ongoing conspiracies and investigations attempting to challenge the 2020 election results, despite President Biden securing a 7 million vote margin nationally and winning six of seven battleground states, with an overall electoral count of 306 to 232.
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