Twenty years on from the end of the Lebanese civil war, Rageh Omaar asks why there are still question marks over the fate of those who disappeared during the 15-year conflict.Civil movements representing families of an estimated 17,000 Lebanese missing since the war, as well as repentant former fighters and a fledgling secularist movement are all breaking the silence on civil war wrongs.They are pushing the boundaries of the sectarian old order and asking whether the future could hold a Lebanon free from the dangers of institutionalised religious affiliation.