Medical evidence plays a vital part in many criminal prosecutions, most notably when serious injury or physical abuse is part of the prosecution's case. Now in its third edition, this book is an essential text for practitioners of clinical forensic medicine and for those who take them through judicial proceedings, be they prosecutors or defence lawyers. It is written by a team of skilled and experienced authors with practical issues firmly in mind. The book has been revised to take account of changes in both statute and case law that have occurred since publication of the previous edition as well as improvements in medical and scientific understanding. In particular, the approach to uncertainties in child abuse has been brought up to date and a completely new account of blood-borne viral diseases is included.