Question: Willie Louis, previously Willie Reed, was a witness to the murder of which 14-year-old African-American who was lynched in Mississippi in 1955, after a white woman said she was offended by him in her family's grocery store?
Sentence (from "Emmett Till"): The brutality of his murder and the fact that his killers were acquitted drew attention to the long history of violent persecution of African Americans in the United States.
Relevant evidence: No