Ultimately surveillance is about using ears and eyes to gather information about a possible enemy and your surroundings, to get forewarning, to give you the largest tactical advantage, to plan an ambush or evacuate with as much warning as possible.
Extending coverage of these senses gives a longer warning, and more time for reacting to, or preparing for, a security threat.
In a scenario where our security is left up to ourselves (Without rule of law or WROL) we need to find
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