Gillian Findlay reports on the people in Syria who risk their lives to smuggle out photographs and thousands of pages of secret official documents, hoping they will lead to the conviction of Bashar al Assad for war crimes.They are crimes a regime wants to keep secret: tens of thousands of Syrians have "disappeared" in the past six years of civil war, swept away to government prisons and detention centres to be interrogated, tortured and worse.

It seemed so perfect, so scientific - a hair test that could objectively determine whether parents of young children were abusing drugs or alcohol. But it turns out the 'Motherisk' hair testing was deeply flawed - with devastating results for families all across Canada.