From the ‘Afghani robe’ to the suicide bomber’s all-black uniform, how ISIS differentiates between ranks with various outfits

From suicide bombers and executioners to weapons experts and religious police, the Islamic State uses a complex network of militants to wage its terror war in the Middle East.

To differentiate the various roles within its hierarchy, it has, perhaps more than other military organisation, sought to assign corresponding uniforms for each unit.

These, say anti-ISIS activists who live in the shadows in the terror group’s de facto capital Raqqa in Syria, can be broken down into several categories, each as sinister as the next.