Young Canadian radicals who've travelled overseas
7 Extremists killed in battle, pursued by authorities for terror attacks
Passport control and radicalization have come under close scrutiny this week, following the terror attacks in Saint-Jean-sur-Richelieu, Quebec and Ottawa. In recent years, at least seven extremists are known to have travelled overseas from Canada to participate in terrorism-related activities. Here are the case studies highlighted in Department of Public Safety's 2014 report on the Terrorist Threat to Canada.