COLUMBIA, Mo. -- Hundreds looked on as an angry mob dragged a black University of Missouri janitor from his jail cell in April 1923, publicly lynching him before he could stand trial on charges of raping a white professor's 14-year-old daughter....

Local filmmaker Scott Wilson teamed up last month with the Boone County medical examiner's office to successfully lobby state officials to change the cause of death on Scott's death certificate....

Keynote speaker Patrick Huber, an associate professor of history at Missouri University of Science and Technology whose undergraduate thesis discussed the Scott lynching, said the killing was one of more than 4,000 racially motivated lynchings in this country from 1885 to 1923 - including 75 in Missouri.

Communities nationwide are working to re-examine histories of racist violent acts, said Mark Potok, who tracks hate crimes for the Southern Poverty Law Center in Montgomery, Ala. Among those places is Tulsa, Okla., which recently opened a "reconciliation park" recognizing a deadly 1921 riot that killed dozens, injured hundreds and destroyed thousands of homes....