Ali Hosseini Khamenei (Persian: علی حسینی خامنه‌ای; born 19 April 1939) is an Iranian cleric and politician who has served as the second supreme leader of Iran since 1989.

The United States attributes the worsening of relations to the 1979–81 Iran hostage crisis, Iran's repeated human rights abuses since the Islamic Revolution, different restrictions on using spy methods on democratic revolutions by the US, its anti-Western ideology and its nuclear program.

Working with our intelligence and law enforcement partners worldwide, the FBI has countered a diverse set of threats directed by the Iranian regime, including attempted terrorist attacks and kidnappings, espionage and foreign influence operations, cyber attacks, sanctions evasion, and illicit procurement of sensitive ...