Fascist Stephen Miller Claims ICE Agents Have Immunity. Is That True?

Federal agents have “Supremacy Clause immunity” which protects federal officers from state criminal prosecution when they are carrying out their official duties under federal law, provided their actions were "necessary and proper." That means they can be prosecuted for their actions that are not necessary and proper while carrying out their duties. This Time article has an interview with law professor Stephen Vladeck who explains in detail.