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In page Meat Is Murder (book):

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In the section on cannibal cinema, Mikita Brottman asserts that the subject is more widespread than is commonly assumed.[5] She shows that cannibalism is a subject which has been portrayed in all time periods through film history, in films such as the 1908 silent comedy King of the Cannibal Islands, through David F. Friedman's exploitation "documentary" Cannibal Island (1956), through Soylent Green (1973), Alive (1993), and Ridley Scott's Hannibal (2001).[9]