US reaches plea agreements with 9/11 defendants Khalid Shaikh Mohammad, Walid Bin ‘Attash and Mustafa al Hawsawi Published on August 1, 2024August 1, 2024 Authored by C to I News Desk Khalid Shaikh Mohammad, who is also known as KSM, was nabbed in Pakistan in 2003 for his alleged role in the 9/11 attacks.