"Weapons possession and weapons use amongst children appears to be growing, and that is alarming, whether it's guns, knives, explosives or other various dangerous items or substances," he said.
Young people have less concern for consequences. Some also have less inhibition to using violence against other people.
They are however typically weaker than older people so they tend to be most dangerous when they hunt in packs or arm themselves. This story is an indication that the latter is increasing in some areas.
Don't underestimate young men/boys.