Minnesota Governor Tim Walz faces ongoing federal scrutiny tied to large-scale fraud in state-administered social services and Medicaid programs, where prosecutors have charged dozens of individuals but none directly naming the governor. In June 2026, Vice President JD Vance referred Walz and Attorney General Keith Ellison to the Justice Department for potential criminal investigation, citing a Republican-led House Oversight report alleging senior officials knew of widespread abuse for years yet failed to halt payments or remove providers. A separate January 2026 DOJ probe into whether Walz and other officials impeded federal immigration enforcement saw subpoenas blocked by a federal judge in June on grounds of retaliation. Walz has described the matters as politically motivated and highlighted state efforts to address fraud. No indictments against him have been filed, though traders monitor DOJ decisions and any new congressional referrals for signs of escalation.