Dave and Steve take listeners on a journey through nearly a thousand years of policing history. They begin with the origins of the badge, tracing its symbolism back to medieval heraldry and shields. Then they move into Old English sheriffs under common law, night watchmen, and the creation of the first organized police department in Boston.

From there they explore how the American detective emerged from private investigation, focusing on Allan Pinkerton, the Pinkerton National Detective Agency, and how his methods influenced investigative work still used today. They also dive into the rise of federal investigative power, the creation of the Secret Service, U.S. Marshals, and the FBI, and how the government responded to the rise in interstate crime.

The conversation continues into the television age as public perception shifts with shows like Dragnet. They discuss the impact of the War on Drugs and landmark Supreme Court rulings such as Mapp v. Ohio and Miranda v. Arizona that permanently changed how detectives gather evidence and conduct interviews. They close by examining the technological era with DNA, digital forensics, and modern policing, reflecting on how the mission of detective work has remained the same even as the tools and crimes have evolved dramatically.

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Sources:

https://www.theemblemauthority.com/the-history-and-significance-of-the-police-badge

Encyclopedia Britannica | Britannica

The National Archives

History – Boston Police Department

The Unsuccessful Plot to Kill Abraham Lincoln

History — FBI

https://www.fbi.gov/history/brief-history

History

https://www.theodorerooseveltcenter.org/

exclusionary rule | Wex | US Law | LII / Legal Information Institute

Miranda v. Arizona | 384 U.S. 436 (1966) | Justia U.S. Supreme Court Center

UCLA Film & Television Archive

https://www.dhs.gov/fusion-centers

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