Canadian journalist Mohamed Fahmy never expected he would go to jail just for doing his job. But in his first ever television interview since release, Fahmy describes 400 days of utter hell, some of which he spent locked up with hardened prisoners and violent jihadists. This week he sat down with the fifth estate's Gillian Findlay in Cairo and told his whole story - from the horror of conviction, to his disappointment in Canada's prime minister, to what he thinks will happen when his new trial