Fahim Ahmad, ringleader of the Toronto 18 terror cell, will be sentenced Monday. Fahim Ahmad was an average teen who worked at Harvey’s and had a penchant for sports, movies and chasing girls. But after Sept. 11, “everything changed,” he says. Questions surfaced about his Islamic faith, which he rarely practised, and of his homeland, Afghanistan, which he barely remembered. His parents juggled multiple jobs and were rarely home, so Ahmad turned to a Mississauga mosque for the answers, seeking out those with the longest beards and largest turbans, signs of “knowledge and devotion.” He became increasingly religious, often surfing Islamist websites where Muslim teens “feeling similar alienation from school and society” talked of violent jihad. Increasingly fanatic, he followed a downward spiral that culminated with his arrest in June 2006 for being the ringleader of a homegrown terror cell, the so-called Toronto 18. In a...