Doar prosecuted the federal case for civil rights violations against the people who were accused of murdering Andrew Goodman , James Chaney and Michael Schwerner , young civil rights workers in Mississippi . He had earlier contributed to drafting the Civil Rights Act of 1964 , which Lyndon Johnson signed to try to enforce constitutional rights for all citizens . In March 1965 , Doar was the first to arrive in Montgomery , Alabama , during the third of the Selma to Montgomery marches . He walked into Montgomery half a block ahead of the march in his capacity as Assistant Attorney General
the people who were accused of murdering
Murders of Chaney, Goodman, and Schwerner
John Doar