"In the summer of 1964, as the Civil Rights movement boiled over, the Student Nonviolent Coordinating Committee (SNCC) sent more than seven hundred college students to Mississippi to help black Americans already battling for democracy, their dignity, and the right to vote. The campaign was called 'Freedom Summer.' But on the evening after volunteers arrived, three young civil rights workers went missing, presumed victims of the Ku Klux Klan. The disappearance focused America's attention on Mississippi. In the days and weeks that followed, volunteers and local black activists faced intimidation, threats, and violence from white people who didn't believe African Americans should have the right to vote"--