<h1>Protests in Minneapolis face threatened invocation of the Insurrection Act to deploy federal troops amid legal challenges.</h1> The executive threatened to invoke the Insurrection Act to deploy military forces or federalize the National Guard to suppress Minneapolis protests stemming from immigration enforcement, setting federal authority against state and local objections; concurrent litigation seeks judicial restraints on the federal crackdown amid claims of constitutional violations, and the administration is assigning military legal officers to support prosecutions related to the operations.