… instead of pulling characters and situations from his imagination, he had borrowed them from real life. Perry and Dick, Herb Clutter and Alvin Dewey were as much figures in history as George Washington and Abraham Lincoln. He could no more have altered their characters for the sake of his story than he could have affixed a moustache under Washington’s nose or shaved off Lincoln’s beard. He was fenced in by the barbed wire of fact. … In Cold Blood may have been written like novel, but it is accurate down to the smallest detail — “immaculately factual” Truman publicly…