As military governor of Philadelphia during the patriot occupation, however, Arnold was harried by charges of corruption, which he indignantly dismissed as "false, malicious, and scandalous." He was exonerated of all but two minor charges by a court-martial and got off with a reprimand from Washington. Yet by this point, the embittered Arnold, increasingly dubious about American prospects, had decided to engage in treason, relaying secret information about troop movements to