Civil Rights leader Dr. Martin Luther King displays pictures of three civil rights workers at news conference on Dec. 4, 1964 in New York. The workers were slain in Mississippi last summer. Dr. King commended the FBI for its arrests in Mississippi on Dec. 4 in connection with the slayings. King holds up photos of Andrew Goodman; James Chaney; and Michael Schwerner. The three civil rights workers disappeared in Mississippi near the town of Philadelphia, northeast of Jackson. (AP Photo/ John Lindsay)