Tribal police have power over their enrolled members (arrest, jail etc.) some power over outsiders (they can arrest but not hold or sentence people? I think? bu

Tribal police have power over their enrolled members (arrest, jail etc.) some power over outsiders (they can arrest but not hold or sentence people? I think? but maybe they're fighting about this?) and they, like all police forces, can't interfere with Federal agents (though they aren't obligated to enforce federal laws.)