Peter Murphy is a Circuit Judge on the South Eastern Circuit. He read law at Cambridge and is a member of the Bars of England, California, and Texas. He is a former Principle Lecturer at the Inns of Court School of Law and has taught and practiced at the Bar extensively, both in England and the United States. He was the founding editor-in-chief of Blackstone's Criminal Practice and is the author of Evidence Proof and Facts: A Book of Sources. His books constitute a complete and proven method for teaching evidence. Richard Glover is a Senior Lecturer in Law at the University of Wolverhampton. Before joining the School of Legal Studies in 1998, Richard worked in private practice, as a criminal lawyer in London and South Wales. His principle areas of interest are the law of evidence, human rights law, and criminal law. He is currently researching into the law relating to burdens of proof following a number of significant decisions from appellate courts in recent years.