US says plea deal reached with 9/11 mastermind

The agreements with Mohammed and two other accused moves their long-running cases toward resolution. These have been bogged down in pre-trial manoeuvrings for years while the defendants remained held at the Guantanamo Bay military base in Cuba.

Khalid Sheikh Mohammed is currently on trial and faces the death penalty on charges related to the 9/11 attacks. (Photo by MUSLM.NET / AFP)