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</html><thumbnail_url>https://www.ejminvestigations.co.uk/blog/wp-content/uploads/2018/01/Pinkerton.jpg</thumbnail_url><thumbnail_width>225</thumbnail_width><thumbnail_height>262</thumbnail_height><description>Following on from our brief look at some early private detectives in Britain and France, what about the United States? There, the history of private detective services is really the history of one agency. No, not Perry Mason or Magnum P.I, but the real-life detective agency, Pinkerton&#x2019;s. Founded in Chicago in 1855 by Allan Pinkerton,</description></oembed>

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