Allan Pinkerton (pictured here circa 1861) was, in 1850, a detective of the Chicago Police Office and, in 1851, the founding father of the Pinkerton Detective Agency. Before the 19th century, there were couple of https://kathrynqdkk157263.blogaritma.com/29059145/how-much-you-need-to-expect-you-ll-pay-for-a-good-detective