There is a term for it, but that is what happened. There was a larger context at play, a history of bad behavior by the LA police. Take a look at this 4 minute video for a helpful discussion: Playwright uses reactions to O.J. Simpson trial to examine racial fabric of America

Playwright David McMillan vividly remembers the day O.J. Simpson was acquitted, because it created a national atmosphere in which racial assumptions were challenged. The debate over the court’s decision forced Americans to see their country for what it was, rather than what they believed it to be. McMillan offers his Brief But Spectacular take on why the Simpson verdict still matters today.