Benedict Arnold, patriot officer who served the cause of the American Revolution until 1779, when he shifted his allegiance to the British. Thereafter his name became an epithet for traitor in the United States.

The story behind the most famous betrayal in U.S. history shows the complicated politics of the nation’s earliest days.

Concise biography on Arnold which also contains some video clips.

There may be no two contemporaries in American military history who are remembered more differently than George Washington and Benedict Arnold. Historian Nathaniel Philbrick talks about how the relationship between these two changed during the war

Historian Nathaniel Philbrick will take us through the thinking and actions that shifted Arnold from fighting for the Americans to fighting for the British. And we’ll discover how the outcome of the entire war may have hinged on a single encounter in the forests of New York.