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Robert K. Tanenbaum is the author of thirty-two books--twenty-nine novels and three nonfiction books: Badge of the Assassin , the true account of his investigation and trials of self-proclaimed members of the Black Liberation Army who assassinated two NYPD police officers; The Piano Teacher: The True Story of a Psychotic Killer ; and Echoes of My Soul, the true story of a shocking double murder that resulted in the DA exonerating an innocent man while searching for the real killer. The case was...See more