What is often depicted as the logo of Allan Pinkerton's agency?

The logo of Allan Pinkerton's agency is often depicted as "The Eye." This symbol represents vigilance and watchfulness, which are key aspects of detective work and investigation. The imagery of an eye reflects the agency's commitment to observing and gathering information discreetly and effectively. Pinkerton, founded in the 19th century, was one of the first private detective agencies in the United States, and the eye symbol became synonymous with their investigative prowess and attention to detail. This emblematic representation has endured over time, often used to emphasize surveillance and the importance of seeing beyond the surface in investigative scenarios.