Guantanamo prosecutor retires as 9/11 trial remains elusive Ben Fox Tags: FILE - In this Oct. 23, 2015 photo, U.S. Army Brig. Gen. Mark Martins, the chief prosecutor at the U.S. military commission at Guantanamo Bay, Cuba, speaks during a break in pretrial proceedings for the five men charged with planning and aiding the Sept. 11 attack. Martins, who spent the past decade leading an oft-stalled effort to prosecute five men for the Sept. 11 terrorist attacks at the Guantanamo Bay naval station, is retiring from the military, leaving his post as chief prosecutor as a trial in the case remains elusive.(AP Photo/Ben Fox, File) (Copyright 2021 The Associated Press. All rights reserved.)