Safe cities have to deliver a feeling of well-being, not one of opperssive mass surveillance.

The security of such events has implications beyond that of the safety of those attending national and international events are often important both pokitically and symbolically.

Transport networks are often critical to the economic and social stability of province or nation.

The secret to the effective and successful resolution of a situation that requires governmental action to resolve is to have effective procedures and assets, already in place before they are needed.

Critical infrastructure is normally essentially to the good order and safety of a population and attacks on such infrastructure can have international consequences if the loss of service affects another country.