Ensuring that authorities follow the processes laid out in the fourth, fifth, sixth and eighth amendments is called a. exclusive due process. b. proper due process. c. substantive due process. d. procedural due process.

Ensuring that authorities follow the processes laid out in the Fourth, Fifth, Sixth and Eighth Amendments is called procedural due process. It contains the limitations which are fundamental to the state criminal justice systems and that the absence of one or the other particular guarantees to deny a suspect a due process of law.

The answer is letter D.