Who was Ali Larijani, Iran’s powerful insider?

Iran's security chief Ali Larijani has been killed, according to confirmation from Iranian authorities. Larijani was one of Iran's most influential political figures, having served in multiple senior positions including speaker of parliament and chief nuclear negotiator, giving him deep influence across the regime's security and diplomatic apparatus. His death removes a key power broker from Iran's inner circle at a time of regional tensions and internal political dynamics. The circumstances surrounding his death have not been detailed in available reporting. His loss represents a significant shift in Iran's leadership structure, particularly within its security establishment.