(FILES) US clergyman and civil rights leader Martin Luther KIng (C), 27, and his wife, Coretta Scott King, emerge 23 March 1956 from Montgomery Court House, following his trial on charges of conspiring to boycott segregated city buses. King was found guilty and sentenced to a 386 days of hard labor and fined $1,000 USD. King immediately appealed. Martin Luther King was assassinated on 04 April 1968 in Memphis, Tennessee. James Earl Ray confessed to his shooting and was sentenced to 99 years in prison. King’s killing, three years after the assassination of black civil rights leader Malcolm X and a few months before Sen. Robert Kennedy’s, sent shock waves through American society. (Photo credit should read -/AFP/Getty Images)