ELECTRONIC SURVEILLANCE MONITORING OF EVENTS FROM REMOTE LOCATIONS BY ELECTRONIC MEANS IN THE FIELD OF INVESTIGATION, CRIMINAL JUSTICE ADMINISTRATION, SECURITY OR ESPIONAGE
· B > SURVEILLANCE
· B > TELECOMMUNICATIONS
· N > COVERT ENTRY
· N > EAVESDROPPING
· N > ELECTRONIC MONITORING OF OFFENDERS
· R > ESPIONAGE
· R > SECURITY SYSTEMS
· R > INVESTIGATIVE TECHNIQUES
