Yeah and the technological capability of their system is fascinating and terrifying at the same time. Their camera system has facial recognition and they use it to instantenaously profile people in transit to and from major transit hubs like train stations and airports. By the time you hit the first roundabout at Heathrow by vehicle, you've already had a background check, criminal record check for warrants, and a verification that you're on a flight manifest.

London has the most CCTV than any city in the world's.