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: The boys, well built and handsome, bronzed from exposure to the weather and wearing the uniform of the Continental army, were making their way along Wall street in the City of New York one pleasant September afternoon. Dick Slater was the captain and Bob Estabrook the first lieutenant of the Liberty Boys, a band of one hundred sterling young patriots engaged in the war for American independence, and at that time quartered in New York, on the Commons at the upper end of town. As they were walking along Wall street, Dick, who was very observant, noticed a man on the opposite side of the street, who seemed to be watching them closely as if with an idea of learning what they knew, and following them wherever they went. At this time the city was threatened by the British, who held Long Island and had ships at Staten Island just across from Manhattan ready to proceed up the rivers at any time. The presence of British spies in the city was suspected, and Dick, who was an expert spy himself, had his suspicions concerning the man opposite as soon as he saw the fellow.