Federal investigations into Minnesota Gov. Tim Walz center on two tracks: a June 2026 referral by Vice President JD Vance to the Justice Department, prompted by a House Oversight Committee report alleging senior state officials knew of but failed to halt large-scale fraud in Medicaid and social services programs, and an earlier probe into whether Walz and Minneapolis officials impeded federal immigration enforcement. No criminal charges or indictments have been filed against Walz, subpoenas in the immigration matter were blocked by a federal judge, and he has stated he will not seek re-election amid the scrutiny. Traders assess the low probability of imprisonment by any near-term date given the absence of indictments, procedural hurdles, and historical patterns of political referrals rarely producing swift convictions against sitting governors.