Using context clues, determine the meaning of the word vigilante, and explain how you arrived at that definition. Be sure to write in complete sentences, directly referencing the excerpt above.


...and fear of white vigilante groups like the Ku Klux Klan, who exerted an often-unchecked reign of terror across the South, where lynching of African Americans was a common occurrence and rarely prosecuted.
(from “We Shall Overcome,” www.nps.gov)