Herman Lamm: The True Crime Story and Key Facts
Herman Lamm: German-American bank robber (1890–1930). The documented story, timeline and key facts of the case.
Herman Karl Lamm, known as Baron Lamm, was a German-American bank robber. A former Prussian Army soldier who emigrated to the United States, Lamm believed a heist required all the planning of a military operation. He pioneered the concepts of "casing" a bank and developing escape routes before conducting the robbery. Using a meticulous planning system called "The Lamm Technique", he conducted dozens of successful bank robberies from the end of World War I.
Why the case is remembered
The Herman Lamm story remains one of the most discussed entries in true-crime history, covered in documentaries, podcasts and books. The summary above follows the publicly documented record.
Text adapted from Wikipedia (CC BY-SA 4.0). Facts reflect the documented public record.
Frequently asked questions
Who is Herman Lamm?
Herman Karl Lamm, known as Baron Lamm, was a German-American bank robber. A former Prussian Army soldier who emigrated to the United States, Lamm believed a heist required all the planning of a military operation.
Why is the Herman Lamm case famous?
It is one of the most documented bank robber cases, widely covered by true-crime media.
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