25th September, 1780.
Dear Sir:
There has just been unfolded at this place a scene of the blackest
treason. Arnold has fled to the enemy--André, the British Adjutant
General, is in our possession as a spy. His capture unravelled the
mystery.
West Point was to have been the sacrifice. All the dispositions have
been made for the purpose, and ’tis possible, though not probable, we
may still see the execution. The wind is fair. I came here in pursuit
of Arnold, but was too late. I advise your putting the army under
marching orders, and detaching a brigade immediately this way.
I am, with great regard,
Your most obedient servant,
Alex. Hamilton,
Aid-de-Camp.
To Major General Greene.