This is Professor Ian Dennis' new book on the doctrine and theory of the law of criminal procedure in England and Wales. Covering the principal stages of the criminal process, beginning with the investigation of crime, going on to prosecution and the alternatives to prosecution, moving then to the criminal trial, and dealing finally with appeal and review. The objectives of the book will be to expound and analyse the doctrines and rules of the law, to discuss their rationales, and to evaluate their moral and practical justification. This will book will be suitable for both students and practitioners wishing a more in-depth look at Criminal Procedure and Process.