Federal and state probes into billions in alleged fraud within Minnesota’s social services and Medicaid programs have placed Governor Tim Walz’s administration under sustained scrutiny, with the DOJ charging dozens of individuals tied to day care, autism, and housing schemes while a Republican-led House Oversight Committee examines whether senior officials, including Walz and Attorney General Keith Ellison, knew of the issues earlier and delayed action. A separate DOJ criminal investigation opened in January 2026 explores whether Walz and Minneapolis Mayor Jacob Frey obstructed federal immigration enforcement by limiting cooperation with ICE detainers. Walz withdrew from the 2026 reelection race amid the inquiries, proposed legislative fixes, and publicly addressed recent April raids, drawing federal pushback. Upcoming Oversight Committee testimony and any further indictments of state-linked actors could shape assessments of personal liability, though no charges against Walz have been filed to date.