Myrlie Evers at her husband, Medgar's funeral,1963, ©️Flip Schulke

Bob Dylan wrote his 1963 song "Only a Pawn in Their Game" a favourite stirring song for this listener and Dylan fan about the assassination of Medgar Evers who was murdered  in 1963 by Byron De La Beckwith, a member of the White Citizens' Council a white supremacist and Klansman. It took three trials to convict him the first two having jurors all of whom were white males failed to reach a verdict. Eventually De La Beckwith was found guilty and died in prison aged 80. They will NOT win . . . . . . . 
Nina Simone wrote and sang "Mississippi Goddam" about the Evers case

Evers' Wiki entry here