File photo of Khalid Sheikh Mohammed

File photo of Khalid Sheikh Mohammed

Khalid Sheikh Mohammed is shown in this file photograph during his arrest on March 1, 2003. Accused Sept. 11 mastermind Mohammed and four suspected co-conspirators were referred to trial before a Guantanamo war crimes tribunal on charges that could carry the death penalty, the Pentagon said, April 4, 2012. REUTERS/Courtesy U.S. News & World Report/Files (UNITED STATES – Tags: CRIME LAW CIVIL UNREST POLITICS)