Lynching, a form of violence in which a mob, under the pretext of administering justice without trial, executes a presumed offender, often after inflicting torture and corporal mutilation.

In the United States, lynchings of African Americans became frequent in the South during the period after the Reconstruction era till around the 1980s.

Website
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Sources
https://eji.org/reports/lynching-in-america/
https://en.wikipedia.org/wiki/Lynching
https://www.britannica.com/topic/lynching