Pinkerton National Detective Agency

Definition and stakes

George L. Herr,  The Nation Behind Prison Bars

“ Probably no living man knows more intimate details about the individual members of the underworld, those who are active criminals to-day, as well as the notorious crooks of the past, than the head of the Pinkerton Detective Agency. And every crook will tell you, what every honest man who knows Mr. Pinkerton will tell you, that when he says "Yes" there [Pg 125] is no possibility that the correct answer should be "No."
WILLIAM A. PINKERTON
Head of the Pinkerton Detective Agency New York
"I know what the average man thinks—that a real crook never turns straight.
”
Source: Gutenberg

A. Frank Pinkerton,  Jim Cummings; Or, The Great Adams Express Robbery

“ The finding of the letter-heads with Bartlett's name written on them in Fotheringham's trunk had quite upset his theories. Yet the most searching examination could find nothing in the suspected messenger's previous movements, upon which to fasten any connection with the robbery.
The vast machinery of Pinkerton's Detective Agency was at work all over the country. His brightest and keenest operatives had been brought together in St. Louis, Kansas City, Leavenworth and Chicago. False clews were sprung every day, and run down to a disappointed termination. But all to no purpose.
”
Source: Gutenberg

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