In June 1801 in the budding southwest London hamlet of Battersea along the mighty Thames River, the greatest traitor in American history was laid to rest in a crypt beneath a small church. 20 years earlier Benedict Arnold had boarded a boat fleeing the land of his birth for a new home in England alongside his wife, the beautiful Peggy Shippen of Philadelphia, daughter of a wealthy American judge of questionable loyalty to America’s quest for freedom.