Ayatollah Ali Khamenei is in a perilous position as government crackdowns in Iran seek to violently quash demonstrations against his regime. President Donald Trump called the Iranian supreme leader a “sick man” in a Sunday interview,

The bloody crackdown offers hints about growing tensions inside the country’s ruling system as the cleric’s rule comes under strain.

NPR's Ayesha Rascoe speaks to Arash Azizi of Yale University about the role of the Revolutionary Guard in Iran.

Conservative former Cabinet minister Sir David Davis argued that the Iranian regime’s “principal instrument of terrorism abroad” is the IRGC

The scale of nationwide protests in Iran and the bloody crackdown that has followed is slowly coming into focus, even though authorities have cut off the country from the internet.

The commander of Iran's paramilitary Revolutionary Guard, which was key in putting down recent nationwide protests in a crackdown that left thousands dead, warned that his force is "more ready than ever,