due process clause of the fourteenth amendment summary
Fourteenth Amendment to the United States Constitution The Due Process Clause prohibits state and local government officials from depriving persons of life, liberty, or property without legislative authorization. This clause has also been used by the federal judiciary to make most of the Bill of Rights applicable to the states, as well as to recognize substantive and procedural requirements that state laws must satisfy.
Exclusionary rule It was not until Mapp v. Ohio[18] in 1961 that the exclusionary rule was also held to be binding on the states through the Fourteenth Amendment, which guarantees due process. Up until Mapp, the exclusionary rule had been rejected by most states.[19]