Includes bibliographical references and index.

The 'threshold' of the fourth amendment right to be secure against searches -- Unreasonableness and the probable cause requirement -- Unreasonableness and the warrant requirement -- Reasonable searches without warrants : the nature and scope of the exceptions to the warrant requirement -- The balancing approach to Fourth Amendment reasonableness -- Entrapment and related defenses -- Due process of law and confessions -- The privilege against self-incrimination and confessions -- The right to assistance of counsel at trial -- Confessions and the right to assistance of counsel -- Identifications and the right to assistance of counsel -- The due process clause and identifications -- The sources of and rationales for the exclusionary rules -- The scope of and exceptions to the exclusionary rules.