Basij militia aims to dissuade protests through intimidation.
Members have been seen patrolling with portraits of the new Supreme Leader.
Campaign has been ongoing since early March.
Strategic angle: Heavily armed and dressed in camouflage, members of Iran's Basij paramilitary force have been circulating photos of themselves patrolling the streets of Tehran.
Basij militia aims to dissuade protests through intimidation.
Members have been seen patrolling with portraits of the new Supreme Leader.
Campaign has been ongoing since early March.