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William Spillard was a narcotic agent working out of the Chicago office of the Federal Narcotics Bureau, whose experiences led him into many contacts with criminal members of the medical profession who profited by violating the antinarcotic laws. He also had a great deal of experience with pedlers and addicts all over the country. With the aid of Pence James this experience has been made not only interesting but at times even amusing in its recounting.
Needle in a Haystack: The Exciting Adventures of a Federal Narcotic Agent. JAMA. 1946;130(1):55. doi:10.1001/jama.1946.02870010057030