Protective Surveillance can be used without the client knowing they are being protected. This is often used in cases of that may be at risk from abduction or kidnap but do not know the risk for whatever the reason or the guardians require a greater degree of peace of mind. High net worth individuals and celebrities, for example, may have close protection teams but their children do not and have no appetite to do so.
Please read the originial post here: https://nicejumping.com/ideas-to-do-your-protective-surveillance/
