Why do people commit hate crimes? A world-leading criminologist explores the tipping point between prejudice and hate crime, analysing human behaviour across the globe and throughout history in this vital book.'Utterly brilliant . . . powerful . . . From personal histories to broader social patterns, from individual criminal cases to the latest neuroscience and psychology, Matthew Williams' forensic dissection of hate reveals its insidious power - but also its weaknesses. This book is not just about how and why hate happens - it's about how to combat it.'ALICE ROBERTS, author of The Incredible Unlikeliness of Being