Maussili Kalaji
Mobile phones used in the bombings were unlocked in a shop owned by a Spanish policeman (who retired after the attacks) of Syrian descent and former al Fatah militant, Maussili Kalaji. Kalaji was not one of those accused in connection with the bombings, though the police proposed to take him into custody.
Read more about this topic: Controversies About The 2004 Madrid Train Bombings