It is not done that way in any normal circumstance. MP's are separate from other units. Soldiers are notified via many means to report from their chain of command. MP units are just like other regular army units. They are not responsible for finding privates who need to report for a specific reason. I suspect some exaggeration on the part of the OP or his buddy.
He simply stated that we took back the VOA and it is a trusted news source now