(The Daily Beast) – There are roughly 5 million children living under the so-called Islamic State in Iraq and Syria. As such, it was only a matter of time before the worst terror group of our lifetime set its sights on them. And now it has. Working with Child Soldiers Initiative, and endorsed by UNICEF, my counter-extremism organization Quilliam has released a seminal report (PDF) documenting the use of child soldiers by ISIS. This report makes for cruel reading.