Federal investigations into Minnesota Gov. Tim Walz center on allegations of obstructing U.S. Immigration and Customs Enforcement operations and inadequate oversight of a multi-billion-dollar fraud scandal in state social services programs, including child care and feeding initiatives, prompting his January 2026 decision to forgo re-election. The DOJ launched a criminal probe in mid-January, issuing grand jury subpoenas to Walz and other officials by late January, with FBI raids targeting fraud sites in late April yielding arrests but no charges against him. House Oversight hearings in March highlighted whistleblower claims of ignored warnings, yet no indictments have emerged amid partisan scrutiny under the Trump administration. Traders weigh prolonged probes against barriers like gubernatorial immunity and evidentiary hurdles, with upcoming grand jury developments or midterm election dynamics potentially shifting outcomes before year-end resolution.