"In the streets, the only law is that at the end of the policeman's nightstick." The degree of truth in this statement has long been a subject of concern among civil libertarians. Nevertheless, police agencies were for many years left to their own devices in meeting the essential problem of keeping order on the streets; only a small portion of their actions were subject to judicial review.
Douglas D. McBroom,
Enforcement of the Common Law Rules of Arrest: A Handcuffing of Police?,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol6/iss4/3