these letters were as close to bellucci as we could get but there were others out there who received similar treatment, many not even charged with a crime. >> there was a coordinated campaign to silence the torture be victims. they never had a handled in this process. -- had a hand in this process. >> according to the senate's investigation, the cia's torture program involved 119 men from almost 20 different countries. the reasons for their detention are varied. some are through al qaeda, others labeled as terrorists by u.s. allies in the region. nearly a quarter were just wrongfully detained. at least 39 of the men were subjected to the very worst treatment. the cia called it enhanced interrogation. we're in istanbul to meet two of them. mohammed al sharia and be khalid ef khalidal sharif. >> in 2004, the u.s. state department designated l ampfg as a terrorist group but khalid and mohammed were detained a year before. when the cia came or the them they were living in pakistan with their families. this was just before you were detained? you look so young mohammed. mohammed and khalid