Jack Hopson discusses the death of Margaret Ann Knott, who was struck by a car and fatally injured during a civil rights protest, during an interview in Butler, Ala., on Wednesday, April 9, 2014. Hopson, a photographer who documented the demonstration in pictures that were published by the local newspaper, said the courthouse square area was full of people when Knott was killed on Sept. 11, 1971. (AP Photo/Jay Reeves)
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