Some of the most notorious cases in American history were solved by the masterful techniques of forensics expert Dr. Edward Oscar Heinrich. He was known as the "American Sherlock Holmes" for his use of science and deduction to solve what many considered unsolvable cases, including Oregon's infamous 1923 Siskiyou "train robbery"/multi-murder, and San Francisco's 1921 Fatty Arbuckle murder case. 
My guest, once again, is Kate Winkler Dawson. She talks about Heinrich's pioneering crime-solving techniques, his compelling, complicated personality, and his personal troubles as well. She is the author of "American Sherlock: Murder, Forensics, and the Birth of American CSI". 
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