Federal investigations into Minnesota Governor Tim Walz center on alleged obstruction of immigration enforcement and oversight of large-scale fraud in state-administered federal programs. In January 2026, the Department of Justice issued grand jury subpoenas to Walz and other officials as part of a probe into whether state actions impeded federal agents during operations in the Minneapolis area. Congressional hearings in March 2026 examined billions in alleged misuse of funds for childcare, housing, and Medicaid, with testimony highlighting delayed state responses but no direct evidence of personal criminal conduct by the governor. No indictments have been filed, and the low implied probabilities in related prediction markets reflect the high evidentiary thresholds for charging a sitting governor, ongoing political dynamics, and absence of confirmed prosecutorial actions to date. Upcoming developments could include further subpoena compliance, additional hearings, or shifts in federal enforcement priorities.