Federal investigations into Minnesota's multi-billion-dollar Medicaid and housing fraud schemes, combined with a separate DOJ probe into alleged obstruction of federal immigration enforcement, remain the central drivers of trader positioning on whether Governor Tim Walz faces charges. Congressional oversight hearings and grand jury subpoenas targeting state records have advanced since early 2026, though prosecutors have filed cases against numerous individuals without naming Walz. The governor has publicly backed fraud prosecutions and denied personal involvement, while structural barriers such as evidentiary thresholds and political considerations continue to shape outcomes. Resolution hinges on developments through late 2026 deadlines, including any new indictments or closure of active probes.