*Includes pictures *Includes contemporary accounts *Includes online resources and a bibliography for further reading "By the mid-1850s a few businessmen saw the need for greater control over their employees; their solution was to sponsor a Private Detective system.
In February 1855, Allan Pinkerton, after consulting with six midwestern railroads, created such an agency in Chicago." - Frank Morn, historian The Private Detective looms large in popular culture, both in the United Sta. *Includes pictures *Includes contemporary accounts *Includes online resources and a bibliography for further reading "By the mid-1850s a few businessmen saw the need for greater control over their employees; their solution was to sponsor a Private Detective system
