This reputation as “America’s Sherlock Holmes” also led to his being consulted on the establishment of the first “full service” public American crime laboratory at Northwestern University in Chicago, Illinois, and on a crime laboratory for the Royal Canadian Mounted Police.
When May began, few people, anywhere, used scientific tools to investigate crime. Except for a couple of minimal installations in Europe, there were no crime labs. So to solve his cases – criminal and civil – May improved or invented techniques in every area of forensic science in the era before public crime laboratories. Along the way, he exchanged ideas with many other well-known crime fighting pioneers.
Exemplifying “The American Dream”
Born on a Nebraska farm in 1892, Luke S. May rose from the proverbial “humble beginnings” to become one of the most famous detectives of his day. Hard times forced his ancestors out of Ireland, and then Canada, to seek a better life in the United States. But even that faltered when a severe drought sent his father back to life as an itinerant carpenter.
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| May, About 18 Years Old |
Then, young “Lukie” experienced a pivotal moment: He read Sir Arthur Conan Doyle’s adventures of Sherlock Holmes. The boy decided that scientific criminology would be his life’s work. Luckily, a building boom in Salt Lake City drew the family there and Luke found the resources needed to pursue his dream. Detective May was not yet eighteen years old when clues he spotted solved his first publicized case, a murder during a daytime burglary. As his reputation grew, he moved his base first to Pocatello, Idaho and then to Seattle, Washington. He remained there for the rest of his life, handling well over two thousand cases.
Between the two World Wars, May logged – as a private criminologist– an average of one death case every month. Around 80 percent of those were murders. Since roughly two-thirds of the death cases involved firearms, he became an expert in firearms and bullet analysis, with a huge gun collection. He had racks holding thousands of test-fired bullets, and could “read” them to identify every commonly-used firearm in the world.
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| A Few of May's Guns |
May’s other cases ran the full gamut: routine background checks, cattle rustling, questioned documents (most often wills), accident investigations, and on and on.
But perhaps his most visible contribution to the field involved “tool marks.” The most telling marks are the microscopic scratches (striations) that can identify a specific implement (knife, screwdriver, etc.) used to commit a crime. One of his cases set the legal precedent for the use of such evidence, an important factor in the later conviction of Bruno Hauptmann for the murder of young Charles Lindbergh, Jr.
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| Tool Mark Comparison |
American Sherlock is based on extensive research in the Luke S. May Papers, archived at the University of Washington, along with material from over two thousand other sources (mostly newspaper articles about May and his cases). For readers with further interest in the topic, the book contains an extensive endnotes section and a considerable bibliography.
[Note: All photos are from the May-Reid papers and are used with permission.]
Reviews
Well researched and engagingly written, American Sherlock rediscovers Luke S. May, a largely forgotten pioneer in early twentieth-century scientific crime fighting. In recounting May’s colorful career and most remarkable cases, Evan E. Filby traces the development of forensic science in the United States and offers a fast-paced narrative that will be particularly interesting to true-crime aficionados.
— Jeffrey S. Adler, professor of history and criminology at the University of Florida, author of Murder in New Orleans: The Creation of Jim Crow Policing (2019) and First in Violence, Deepest in Dirt: Homicide in Chicago, 1875-1920 (2006)
With Evan E. Filby’s American Sherlock we have, for the first time, a detailed assessment of the life and career of Luke S. May. May was a highly influential figure in the development of forensic science and scientific detection in North America in the first half of the twentieth century, yet he is surprisingly hardly remembered. Filby’s book accurately reinstates him in his rightful place in the history of scientific detection. Clearly and accessibly written, with a wealth of detail on May’s life and work, American Sherlock appeals to a wide audience including fans of true crime writing and those with an interest in the development of scientific detection.
— Alison Adam, professor of Science, Technology and Society at Sheffield Hallam University, UK; author of A History of Forensic Science: British Beginnings in the Twentieth Century (2015).
Ordering Information
Scheduled for release in August 2019, the book can be pre-ordered from the publisher or from major online booksellers such as Amazon and Barnes & Noble. Projected to be about 320 pages long in hardcover, the list price is $32.
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