On June 21st, 1964 three young civil rights workers in Neshoba County, Mississippi were brutally murdered by the White Knights of the Ku Klux Klan while they participated in the Freedom Summer voter registration initiative. Racially-motivated killings were nothing new in that part of the country during the Jim Crow era, but two of the victims were affluent, young, white males from the north.
This article originally appeared on www.rollingstone.com: New Documentary Blends Civil Rights Murders With Hunt for Blues Icons