(CNN)Eleven-year-old Abu Imara al Omri kneels down to kiss his father's hand; a final blessing before the boy blows himself up in a truck full of explosives. The disturbing goodbye was captured in a series of ISIS propaganda photos last month. Supporters of the terror group claim the boy was used to help take the village of Ghazl near Aleppo, Syria. But Omri is not alone. The use of child soldiers far predates ISIS, but what concerns researchers and policymakers is that ISIS' use of boys and girls does not follow the trends of previous conflicts. This ISIS propaganda photo shows child soldier Abu Imara al Omri before he blew himself up ISIS does not use those under 18 because they provide...
