Tens of thousands of people were killed during Syria’s revolution – in more than a decade of fighting.
Now the Assad regime has fallen, those who saw its brutality firsthand, are speaking out, and trying to help families discover what happened to those who disappeared.
Krishnan Guru-Murthy has been investigating the story of Tal Al Nasr cemetery in Homs, and the man who runs it – a silent witness to the atrocities committed by Assad’s forces.