Book review: Killing of a black boy whitewashed

'The Barn' is a glimpse of a nation’s troubled past that offers insight in to the tortured present, and makes you worry about the bleak future

Wright Thompson has written something remarkable, a triumph of forensic research that has never been more needed. Picture: Evan France

• The Barn: The Murder of Emmett Till and the Cradle of American Racism
• Wright Thompson 
• Hutchinson Heinemann,  €36.25