GROUPS INCLUDING THE Sons of Liberty, the Boston Committee of Correspondence, and the Boston Caucus held top-secret meetings at Boston’s Green Dragon Tavern (right), where events such as the Boston Tea Party had been planned. But in 1775, a troubling mystery beset rebel leaders John Hancock, Samuel Adams, Joseph Warren, and Benjamin Church Jr. (above). Details about their gatherings, as well as Massachusetts Provincial Congress business, were being leaked to the British.
Hancock and Adams were devoted rebels and seemed beyond suspicion. Warren and Church, though less famous, were also highly trusted.
Church, for one, gave fiery orations, satirized the British in newspapers, and was the first surgeon general. But in September 1775, the Boston leaders learned the truth. Church had been disclosing their secrets to General Thomas Gage, the…
