Video: 'Double Cross ET Part 3 - Death of Sam "Momo" Giancana'

(Thursday, June 19, 1975, 10:30-11:00 p.m. CDT) — Former Chicago organized crime boss Sam Giancana, reported to have been a key participant in a Central Intelligence Agency plot to assassinate Premier Fidel Castro of Cuba in 1961, was shot to death tonight in the basement of his home in Oak Park, Illinois. Giancana was 67.