Feds Arrest Canadian Resident in Tucson Over Voting
A lawful permanent resident from Canada was arrested in Tucson on a federal misdemeanor warrant tied to alleged illegal voting in Wisconsin.
Updated on Nov. 3, 2026 in Immigration
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Federal agents arrested Monique Gignac-Yochum, a Canadian lawful permanent resident, in Tucson on Wednesday, October 28. She is accused of registering to vote in Wisconsin by falsely claiming U.S. citizenship and allegedly voting in two federal general elections.
Why it matters
The case shows how federal investigators can track alleged illegal voting across state lines after a voter moves away. For Tucson residents, it highlights federal enforcement activity in the region tied to election-related citizenship claims.
Gignac-Yochum was arrested on a federal misdemeanor warrant issued October 23 in the Western District of Wisconsin, after HSI Milwaukee contacted HSI Tucson. Court proceedings and the next procedural steps have not been reported.
The players
Monique Gignac-Yochum
A Canadian lawful permanent resident accused of falsely claiming U.S. citizenship to register and vote in Wisconsin.
HSI Milwaukee
The Homeland Security Investigations field office in Milwaukee that contacted Tucson counterparts about the case.
HSI Tucson
The Homeland Security Investigations office in Tucson whose agents carried out the arrest in the city.
The details
Investigators with HSI Milwaukee contacted HSI Tucson, which led to the arrest in Tucson. Gignac-Yochum allegedly registered in Wisconsin by falsely claiming U.S. citizenship and voted in the 2022 and 2024 general elections.
Timeline
November 8, 2022: Alleged illegal vote in a general election.
November 5, 2024: Alleged second illegal vote in a general election.
Friday, October 23, 2026: Federal misdemeanor arrest warrant issued in Wisconsin.
Wednesday, October 28, 2026: Gignac-Yochum arrested in Tucson by federal agents.
Legal Context
Federal law bars noncitizens from voting in federal elections, and cases like this one test how investigators pursue alleged violations after a voter relocates. The Tucson arrest follows that enforcement framework, with federal agents acting on a warrant issued in another state.
Tucson residents who are permanent residents or noncitizens should understand that voting in federal elections is a federal offense that can lead to arrest even after relocating. The case signals that federal investigators will follow registration records across state lines.
The takeaway
Noncitizens who register to vote or vote in federal elections face federal charges regardless of where they later live. Checking eligibility before registering helps avoid serious legal consequences.
Further reading
For more on federal immigration enforcement, see Immigration coverage.
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Do you think current safeguards are strong enough to stop noncitizens from voting?
