On April 25, a British force under the command of the Royal Governor of the Province of New York, Major General William Tryon, landed at Compo, Connecticut between Fairfield and Norwalk in what is present-day Westport, and marched from there to Danbury.
[3] Howe's plan included authorizing Tryon to operate on the Hudson River or to "enter Connecticut as circumstances may point out.
[4] Howe had learned of the depot's existence through a spy working for British Indian agent Guy Johnson,[5] and he had also met with some success in an earlier raid against the Continental Army outpost at Peekskill, New York.
[4] The Danbury depot had been established in 1776 by order of the Second Continental Congress, and it primarily served forces located in the Hudson River valley.
When he and Arnold reached Fairfield, they learned that General Silliman had already departed for Redding, with orders that any militia raised should follow as rapidly as possible; they immediately moved in that direction.