The police are the executors of the state's monopoly on the use of force, and where a state exists by the consent of the governed, it is uniquely important that the police are, without exception, held responsible to the people.
Any philosophy allowing unlimited or arbitrary state power over individuals turns the state, is one where the state, rather than the people, has full liberty, and is the master. That's the historical status quo (sans Greece, Rome) prior to liberalism, Locke.
Any philosophy allowing unlimited or arbitrary state power over individuals turns the state, is one where the state, rather than the people, has full liberty, and is the master. That's the historical status quo (sans Greece, Rome) prior to liberalism, Locke.