Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his

Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his

Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his

Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his

Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his

Hamza al-Khatib, 13, was arrested at a 2011 anti-government rally and tortured - but Assad's downfall has not brought his