On the 50th anniversary of the assassinations of Martin Luther King and Robert F. Kennedy, presenter Michael Goldfarb tells the story of how they came to be murdered. He speaks with their children and close associates about how the pair’s lives and deaths affected their own pathway. And he looks at how their words and deeds continue to shape America.

(Photo: Clergyman and civil rights campaigner Martin Luther King (1929-1968). Credit:Keystone/Getty Images)