Knowing the key things to shoot to maximize disruption and damage, the signaling, the fact that the cctv positions seem to have been scouted and dead zones foun

Knowing the key things to shoot to maximize disruption and damage, the signaling, the fact that the cctv positions seem to have been scouted and dead zones found, the fact that no fingerprints were on any casings, a substantial hunt being unable to find those responsible, the pre-cut communications links, the coordinated tactics of the group etc. are all signs of sophistication.