As Turkey tries to recover from the bombings in Istanbul, investigators are homing in on several obscure Islamic militant groups, notably Turkish Hizballah, a senior police official tells TIME. Security analysts say Hizballah, not to be confused with the Lebanese organization that shares its name, is a loose association of some 20,000 Islamic extremists based in Bingol, an impoverished province on the Iraq border. Officials say three of the four bombers who carried out the suicide attacks and many of their accomplices called the province home.
If Turkish authorities are right, Hizballah may be the latest...