US reaches plea deal with alleged 9/11 mastermind Khalid Sheikh Mohammed Yahoo! VoicesAccused Sept. 11 Plotters Agree to Plead Guilty at Guantánamo Bay The New York TimesVance slams 9/11 plea deal during rally: ‘Need a president who kills terrorists, not negotiates with them’ Fox NewsWhy the 9/11 plea agreements are such a big deal Vox.com