Building upon John Fullerâ€™s experience as a criminal justice practitioner, scholar and teacher, Criminal Justice: Mainstream & Crosscurrents encourages readers to think critically about the goals and processes of the criminal justice system and introduces them to important ethical dilemmas faced by criminal justice professionals. This highly readable, interesting, contemporary book offers a comprehensive introduction to criminal justice supported with empirical work. Itâ€™s narrative style explains legal concepts in a clear and comprehensible manner without losing the reader in legal jargon. Features a full chapter on crime theoryâ€”highlighting the various sociological, psychological and biological theories of crime causation. A unique chapter on emerging trends in criminal justice (Chapter 16) considers contemporary topics like restorative justice and peacemaking criminology. For criminal justice practitioners.