Who is Benedict Arnold?
Wikipedia – Benedict Arnold V (January 14, 1741 [O.S. January 3, 1740] – June 14, 1801) was a general during the American Revolutionary War who began the war in the Continental Army but later defected to the British Army. While he was still a general on the American side, he obtained command of the fort at West Point, New York, and plotted unsuccessfully to surrender it to the British. After the plot failed, he served in the British military.
http://www.benedictarnold.org/ (very detailed)