This Manual seeks to provide a practical guide to the relevant human rights standards for anyone involved in examining how well a criminal trial or a justice system meets international standards of fairness. It is intended for the use of trial observers and others assessing the fairness of an individual case, as well as for anyone seeking to evaluate the extent to which a country’s criminal justice system guarantees respect for international standards of fair trial. It may also serve as a guide for law makers, judges, prosecutors and defence lawyers or as a training tool.