0 to carefully watch a place or person or listen to private conversations over a period of time, usually in order to get information about illegal activity:
A smart private investigator (PI) will scope out the location ahead of time and pick a few prime spots from which to surveil.
FBI agents are allowed to surveil a subject for a short period on an emergency basis before seeking a warrant.
We watch the person using, where possible, the same method of transportation that they are using. For example, if they are on foot, we surveil them on foot. If they are in a vehicle, we do it by vehicle.
The explosives training also covered how to surveil a place.
