Infidel children live in a racist, militarised society and are therefore defined as combatants for the purposes of Glorious Jihad. 

See the spy. 

He is informing the police of his latest "conkers", that is Muslim children killed. 

This youth is already a "sixer", and aims to slaughter a dozen innocent sons and daughters of Islam, to get his murdercraft badge in time for the Christian Harvest Festival.