The unequal enforcement of drug laws is a source of profound racial injustice. The Numbers in Black and White, published in 2013 by Release & LSE, showed how drug policing, particularly the use of stop and search, was driving ethnic disparities throughout the criminal justice system in England and Wales. The Colour of Injustice: ‘Race’, drugs and law enforcement in England and Wales updates and extends this earlier analysis, highlighting important areas of continuity and change. The policy context has changed dramatically, with central government paying much greater attention to ethnic disparities in criminal justice and the use of stop and search. Despite the avowed commitment to tackling discrimination, however, the underlying problem remains and, in some respects, has been magnified. Once again our research shows that drug law enforcement is driving racial disparities in the criminal justice system