Growing up in Baton Rouge, La., Keith Beauchamp became intrigued with justice for Emmett Till’s murder after he discovered an old Jet magazine from 1955 in his parent’s house. On its cover was a photo of Till’s disfigured body displayed in an open casket, shown at the insistence of Till’s mother, who wanted the world to see the savage consequences of racial hatred.

The lynching of Till, a 14-year-old African-American boy from Chicago who was visiting relatives in Mississippi, helped catalyze the Civil Rights Movement.