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Pinkerton Detective Agency

Pinkerton
Private incorporation
Industry Private security contractor
Founded Chicago, Illinois, United States (1850 (1850))
Founder Allan Pinkerton
Area served
Worldwide
Products Investigations, employment screening, protective services, security, crisis management, intelligence services
Services Security management, full-service risk management consulting
Parent Securitas AB (since 2003)
Website pinkerton.com

Pinkerton, founded as the Pinkerton National Detective Agency, is a private security guard and detective agency established in the United States by Allan Pinkerton in 1850 and currently a subsidiary of Securitas AB. Pinkerton became famous when he claimed to have foiled a plot to assassinate president-elect Abraham Lincoln, who later hired Pinkerton agents for his personal security during the Civil War. Pinkerton's agents performed services ranging from security guarding to private military contracting work. Pinkerton was the largest private law enforcement organization in the world at the height of its power.

During the labor strikes of the late 19th and early 20th centuries, businessmen hired the Pinkerton Agency to infiltrate unions, supply guards, keep strikers and suspected unionists out of factories, and recruit goon squads to intimidate workers. One such confrontation was the Homestead Strike of 1892, in which Pinkerton agents were called in to reinforce the strikebreaking measures of industrialist Henry Clay Frick, acting on behalf of Andrew Carnegie. The ensuing battle between Pinkerton agents and striking workers led to the deaths of seven Pinkerton agents and nine steelworkers. The Pinkertons were also used as guards in coal, iron, and lumber disputes in Illinois, Michigan, New York, Pennsylvania, and West Virginia as well as the Great Railroad Strike of 1877 and the Battle of Blair Mountain in 1921. The organization was pejoratively called the "Pinks" by its opponents.


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