James P. Tucker, Jr. (December 31, 1934 – April 26, 2013), also known as Big Jim Tucker, was an American journalist and author of Jim Tucker's Bilderberg Diary who began to focus on the Bilderberg Group in 1975. Tucker has been described as a "veteran Bilderberg observer", "the doyen of Bilderberg hunters", as "an oddball Washington journalist", and as a "right-wing conspiracy investigator". Tucker died from complications due to a fall, according to his obituary.