europe for the torturers of syrian dictator bashar al assad's regime investigators are closing in on them thanks to thousands of pieces of evidence that were smuggled by witnesses from the ruins of syrian cities the photos and documents are now in the hands of european investigators their task to prove that the syrian secret service systematically tortured opposition members to death well more than a dozen of these war criminals are believed to be in germany sweden or france disguised as refugees. investigators across europe are determined to identify them and relatives of the victims who fled the murderous regime and came to germany are a valuable source of information people like mariam whom our reporter met on his search for justice. mariam lives in a berlin suburb she's from syria and part of