Trial of Gaddafi-era figures in Tripoli

TRIPOLI, LIBYA - APRIL 20: Defendants sit behind bars during the trial of Gaddafi-era figures at a courtroom in Tripoli, Libya, on April 20, 2015. Late ruler Muammar Gaddafi's son Seif al-Islam who remains in detention at a prison in the western mountainous Zintan region, and 31 other defendants face charges of committing mass murder during the February 17, 2011 uprising that led to the downfall of the Gaddafi regime. (Photo by Hazem Turkia/Anadolu Agency/Getty Images)