Lafayette County, sometimes spelled La Fayette County, is a county located in the U.S. state of Wisconsin.
 It was part of the Wisconsin Territory at the time of its founding.
 As of the 2010 census, the population was 16,836.
 Its county seat is Darlington.
 The county was named in honor of the Marquis de Lafayette, the French general who rendered assistance to the Continental Army in the American Revolutionary War.
Lafayette County is a county located in the U.S. state of Arkansas.
 As of the 2010 census, the population was 7,645, making it the third-least populous county in Arkansas.
 The county seat is Lewisville.
 Lafayette County was formed on October 15, 1827 and named in honor of Marquis de Lafayette, a French military hero of the American Revolutionary War.
 It is a dry county; therefore, the sale of alcohol is prohibited.
USS "Lafayette" (SSBN-616), the lead ship of her class of ballistic missile submarine, was the third ship of the United States Navy to be named to honor Gilbert du Motier, Marquis de Lafayette, a French military hero who fought alongside and significantly aided the Continental Army during the American Revolutionary War.
Lafayette County is a county in the U.S. state of Mississippi.
 As of the 2010 census, the population was 47,351.
 Its county seat is Oxford.
 The local pronunciation of the name is "la-FAY-et".
 The county's name honors Marquis de Lafayette, a French military hero and American general who fought during the American Revolutionary War.
Marquis de Lafayette is an outdoor bronze sculpture of Gilbert du Motier, Marquis de Lafayette by artist Frédéric Auguste Bartholdi, located at Union Square Park in Manhattan, New York.
 Donated by French residents of New York and dedicated on September 6, 1876, the portrait statue rests on a Quincy granite pedestal.
 In 1991, it was conserved by the Municipal Art Society and the New York City Art Commission's joint Adopt-A-Monument Program.
Lafayette Parish (French: "Paroisse de Lafayette" ) is a parish located in the U.S. state of Louisiana.
 As of the 2010 census, the population was 221,578.
 The parish seat is Lafayette.
 The parish was founded in 1823.
 It was named in honor of the Marquis de Lafayette, the French general who took part in the Continental Army in the American Revolutionary War and financially aided it.
The John Tillinghast House is an historic colonial house at 142 Mill Street (facing Touro Park) in Newport, Rhode Island.
 It is a 2-1/2 story wood frame structure, built in 1760 for John Tillinghast, a wealthy merchant.
 A high-quality example of academic Georgian architecture, the house was a (often temporary) home for a number of notable people during and after the American Revolutionary War.
 It was probably occupied by the Marquis de Chastellux, an engineer in the French Army while it was stationed in Newport, and by General Nathanael Greene, who hosted George Washington and the Marquis de Lafayette on a visit to Newport.
 From 1821 to 1824 it was home to William C. Gibbs while he was Governor of Rhode Island.
Benedict Arnold (January 14, 1741 [O.S. January 3, 1740] June 14, 1801) was a general during the American Revolutionary War, who fought for the American Continental Army, and later defected to the British Army.
 While a general on the American side, he obtained command of the fortifications at West Point, New York (which after 1802 would become the site of the U.S. Military Academy), overlooking the cliffs at the Hudson River (upriver from British-occupied New York City), and planned to surrender them to British forces.
 This plan was exposed in September 1780.
 He was commissioned into the British Army as a brigadier general.
James Armistead Lafayette (December 10, 1760 – August 9, 1830) was an enslaved African American who served the Continental Army during the American Revolutionary War under the Marquis de Lafayette.
 As a double agent, he was responsible for reporting the activities of Benedict Arnold – after he had defected to the British – and Lord Cornwallis during the run-up to the Battle of Yorktown.
 He fed them false information while disclosing very accurate and detailed accounts to the Americans.
Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de Lafayette (] ; 6 September 1757 – 20 May 1834), in the United States often known simply as Lafayette, was a French aristocrat and military officer who fought in the American Revolutionary War.
 A close friend of George Washington, Alexander Hamilton, and Thomas Jefferson, Lafayette was a key figure in the French Revolution of 1789 and the July Revolution of 1830.

Question: What general from the American Revolutionary War's activities were reported by Marquis de Lafayette?
Answer: Benedict Arnold