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| | Pinkerton's National Detective Agency Records (Library of Congress) |
 | | Entered the Pinkerton agency as a private detective 1902 Married Franc Woodworth 1918 Appointed major of infantry, U.S. army, serving on the staff of Gen. John J. Pershing at Chaumont, later as assistant provost marshal at Tours and Bordeaux, and finally in charge of criminal investigations for the provost marshal general's department. |
 | | Pinkerton's agency did investigate labor unrest and was involved in strikebreaking at mining operations and related industries, though very little documentation of these activities is in the collection. |
 | | Pinkerton's compiled dossiers on criminals, used mug shots for purposes of identification, cultivated informers who were given code names, sent operatives undercover to infiltrate gangs, and circulated notices to alert the public that criminals were at large. |
| www.loc.gov /rr/mss/text/pinkerton.html (9007 words) |
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