One of the primary advantages of private detective firms of the mid- to late 1800s (such as Pinkerton's) was that they operated without concern for political jurisdictional lines.

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Private detective firms like Pinkerton's could operate across state lines and were not limited by the jurisdictional boundaries that constrained public law enforcement agencies, allowing them to track suspects and conduct investigations more freely across the country.

One of the Primary Advantages of Private Detective Firms of the Mid-