The court martial to consider the charges against Arnold began meeting on 1 June 1779 , but was delayed until December 1779 by General Clinton 's capture of Stony Point , New York , throwing the army into a flurry of activity to react . The court martial to consider the charges against Arnold began meeting on June 1 , 1779 , but was delayed until December 1779 by General Clinton 's capture of Stony Point , New York , throwing the army into a flurry of activity to react .