Syria's disappeared: Amer's story
Thousands of Syrians have vanished without a trace - forcibly "disappeared" - since the country's uprising began in March 2011.
Amer Matar, who was himself detained twice by Syrian forces, is now hunting for information about his brother Mohammed Nour, who went missing after a car bombing in the northern city of Raqqa.
11 Nov 2014
- From the section Middle East