He began to write his memoir, but after 204 days of concealment, he was discovered and arrested on 13 March 1954. During his capture the forces killed his sister, Saltanate Banoo, who attempted to save Fatemi. He was then torturedA sociological analysis of the Iranian Revolution, Volume 1 by Mansoor Moaddel: "The more militant members of the National Front, such as Hosein Fatemi, were tortured and killed in Prison" and convicted by a military court on 10 October for "treason against the Shah" and sentenced to death.U.S. & Soviet Policy in the Middle East: 1945-56 John Donovan Diminishing his role in Fatemi's execution, Mohammad Reza Shah wrote in his posthumously published book Answer to History that, "I was unable to prevent the execution of Hossein Fatemi, Mossadegh’s Foreign Minister, because he was a communist."
