I watched this on Democracy Now! when it aired and it was chilling.
Democracy Now! | Is Posse Comitatus Dead? US Troops on US Streets:Is Posse Comitatus Dead? US Troops on US Streets
In a barely noticed development, a US Army unit is now training for domestic operations under the control of US Army North, the Army service component of Northern Command. An initial news report in the Army Times newspaper last month noted that in addition to emergency response the force “may be called upon to help with civil unrest and crowd control.”