Who is Arthur McDuffie and what is his importance in the book, Miami?

Arthur McDuffie was a Black Miamian who was severely beaten and killed by Dade County Police in 1980, sparking widespread riots after the officers involved were acquitted of their charges. The 'McDuffie case,' as it became known, highlighted the explosive racial tensions felt by Miamians, whether black, Cuban, or white Anglo-American. The riots resulted in 18 deaths and caused pandemonium across the city of Miami, according to Didion.