What is the primary purpose of the Posse Comitatus Act?

The primary purpose of the Posse Comitatus Act is to restrict military personnel from enforcing civilian laws, except under specific conditions. This legislation was enacted in response to the misuse of military force in domestic law enforcement and is a key component in maintaining the distinction between civilian and military obligations.

The Posse Comitatus Act emphasizes that the military should not intervene in civil law enforcement matters unless explicitly authorized by the Constitution or an act of Congress. This is crucial in upholding civil liberties and ensuring that military power does not interfere with or override civilian authority, which can lead to potential abuses or erosion of democratic rights.

While the Act allows for certain exceptions, such as responding to national emergencies or during times of war, its primary function is to limit the direct involvement of the military in civilian law enforcement. This framework helps maintain a balance of power between military and civilian spheres, ensuring that law enforcement remains a civilian responsibility under civilian control.