Important Dates of the Revolutionary War

February 10, 2024
Important Places and Events 6

The Last Words of Nathan Hale by Alexander Hay Ritchie (Yale University Art Gallery)Interest in the subject of spying and espionage operations during the American Revolution continues to grow in popularity. John A. Nagy, one of America’s leading scholars on the subject sat down with us to share his observations on the important role that espionage played during the war.

Spying seems like such a James Bond/Cold War topic. Did the Revolutionary War involve much espionage?

John A. Nagy: The earliest written record I found of spying dates back to the 6th century BC. So James Bond and the cold war is just the latest and therefore the most well known. After studying espionage in the American Revolution for the last twenty-two years, I have discovered that both the American and British relied heavily on espionage. In the eighteenth century each general was responsible for developing his own intelligence network. Obviously some were better than others. So far I have published 160 spies and have more than double that currently left in my database to be published.

Who were some of the more famous or effective spies of the Revolutionary War?

The most well-known spy is Nathan Hale who was hanged by the British. The best spy of the Revolutionary War depends on the criteria. The spy with best exploits would be James Moody, a New Jersey born British spy, was able to steal Washington’s mail almost at will. He almost stole the secret documents of the Continental Congress. He liberated a British officer from the Sussex County New Jersey jail. He operated as a spy for four years in New Jersey with a bounty offered for his capture. The one time he was captured he escaped.

A Map of Revolutionary-era New York City – site where the Culper Spy Ring operated during the American Revolution. (Library of Congress)The spy with the most nerve has to be Lieutenant Lewis J. Costigan of the 1st New Jersey Regiment. He was captured in January 1777. He was placed on parole in New York City which allowed him to walk around the city in his Continental army uniform. A parole was a promise from a prisoner of war that if he was released from jail that he would not take up arms or carry out any military acts until he was exchanged. He was exchanged on September 17, 1778 and no longer bound by his parole. At the request of Major General Lord Stirling and Colonel Matthias Ogden, Costigan did not leave New York City as he should have. He continued his usual travels around New York City in plain sight in his American military uniform collecting information and sending his correspondence through Colonel Ogden and Lord Stirling to George Washington using a code name. If his espionage activities would be discovered, he could not be treated as a spy since he was in uniform. He would have been a prisoner of war. He remained in New York City gathering intelligence for four months until January 17, 1779.

Notorious FBI spy, Robert Hanson utilized dead drops to pass information to the Russians (Wikimedia)One of the most well known is Robert Townsend, known as Samuel Culper Jr., of the Culper Ring. He operated in New York City. There are other American spies living in New York City at the same time as Townsend but have not gained his level of notoriety.

We hear a good deal about the Culper Spy Ring. Were there other spy networks in operation during the war?

The first spy ring was the Mercereaus which began operating in 1776 when the British military first landed in New York. It operated between Staten Island, New York and New Jersey. Some of the participants of the Mercereau spy ring continued operating to at least October 1780 but with Elias Dayton as the case officer. The British ran the Molesworth spy ring in Philadelphia in the spring of 1777 to entice ship captains who knew the underwater defenses in the Delaware River to help them bring British warships to Philadelphia. Washington had a stay behind intelligence network established when Philadelphia fell to the British. It was the Clark spy ring which operated in the fall of 1777. Because of the success of the Clark spy ring, Washington in 1778 directed that a similar operation be established in New York and it resulted in the third American spy ring, the Culpers.

How would you evaluate George Washington as a spymaster?

Washington was an excellent spymaster. Spies were always paid in hard currency that is gold and silver. The British had more spies in operation during the war because they could pay more. They obtained more information. Obtaining hard currency was always a problem for Washington. He was always at a disadvantage in the volume of information collected because of the lack of hard currency. He worked diligently to make sure that he was not deceived. He always compared the intelligence gathered by one spy with that provided by other spies and information obtained from British deserters and locals. He was better in the military application of intelligence than the British.

Washington learned his spycraft during his service in the French and Indian War. He recruited and managed spies. He provided French spies with misinformation. He served under British Major General Edward Braddock who used a cipher and Washington may have used it. Braddock’s cipher is published in my book Invisible Ink Spycraft of the American Revolution.

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