James Armistead Lafayette - Wikipedia

James Armistead Lafayette (born 1748[1] or 1760[2] – died 1830[1] or 1832)[2] was an enslaved African American who served the Continental Army during the American Revolutionary War under the Marquis de Lafayette.[3] As a double agent, he was responsible for reporting the activities of Benedict Arnold – after he had defected to the British – and of Lord Cornwallis during the run-up to the Battle of Yorktown. He fed the British false information while disclosing very accurate and detailed accounts to the Americans.