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Pinkerton became famous when he claimed to have foiled the Baltimore Plot to assassinate President-elect Abraham Lincoln in 1861.

Oct 23, 2015 · Check out 10 little-known facts about the detective agency that helped usher in the modern era of law enforcement. 1. Its founder became a detective by accident. In 1842, Allan …

Dec 18, 2025 · Pinkerton National Detective Agency, American independent police force founded in 1850 by Allen Pinkerton.

Pinkerton was a masterful publicist, spinning his agency’s real-life adventures into legend through the new medium of dime novels; he wrote more than seventeen books in just nine years.

The Pinkerton National Detective Agency is a private security guard and detective agency established in 1850 by Scottish immigrant Allan Pinkerton.

When President Abraham Lincoln gave McClellan command of the Army of the Potomac during the Civil War —and eventually all Union forces—the general made Pinkerton his intelligence …

Forced to emigrate from Scotland in 1842 because of his radical, populist views, Pinkerton first established himself as a cooper in Dundee, Illinois but soon gravitated to police work.

Pinkerton detectives raid a farm house in search of Frank and Jesse James. During the failed raid, the Pinkerton detectives threw a hand grenade into the house, killing their younger …

Pinkerton became famous when he claimed to have foiled the Baltimore Plot to assassinate President-elect Abraham Lincoln in 1861.