[3] Hasan fought as a mujahideen with the Islamic Revolution Movement (Harakat-i-Inqilab-i-Islami)[4] led by Mohammad Nabi Mohammadi during the Soviet–Afghan War.
[1][5] Hasan was governor of Kandahar Province from when the Taliban took control of it in 1994[6] until the United States invasion of Afghanistan in 2001.
[2] He governed in strict accordance with the Taliban's interpretation of Sharia law, which called for the death penalty for adultery and amputation for thievery.
[8] Mohammed Omar's death was announced in July 2015 (he had died in 2013) and Akhtar Mansour was appointed his replacement as supreme leader of the Taliban.
[2] Hasan wanted Omar's son Mohammad Yaqoob to be the leader,[9] and objected to the process and speed in which Mansour was appointed.