other militants were responsible for 76% of civilian casualties in 2009, [132] 75% in 2010 [133] and 80% in 2011. [134] After the May 2011 death of Osama bin Laden in Pakistan, many prominent Afghan figures began being assassinated, including Mohammed Daud Daud , Ahmad Wali Karzai , Jan Mohammad Khan , Ghulam Haider Hamidi