http://thehid2qsvjmsjnlk5zjkqdetd7eqphshtem7gd3sixbnu4krejewpqd.onion/wiki/Intrusive_Surveillance
However, they do have to notify you of this fact immediately, unless there is fear of danger to person, flight, destruction of evidence, or otherwise jeopardizing the investigation. Deception of Purpose This little doosey was a fun one to discover. How to Be Invisible cites a January 1994 FBI Law Enforcement Bulletin that states agents may disguise themselves as utility repairmen, delivery personnel, distressed motorists, etc, and ask for entrance into your home to make a phone call, look...