INTELLIGENCE ACQUISITION COLLECTION OF INFORMATION NEEDED IN ADVANCE OF INITIATING A COURSE OF ACTION
· B > DATA COLLECTION
· B > INVESTIGATION
· N > ESPIONAGE
· N > INFORMANTS
· N > INTELLIGENCE SERVICES
· N > POLICE INTELLIGENCE OPERATIONS
· R > BACKGROUND INVESTIGATION
· R > CLASSIFIED INFORMATION
· R > CRIMINAL INVESTIGATION
· R > INTELLIGENCE ANALYSIS
· R > PRIVATE INVESTIGATORS
· R > UNDERCOVER ACTIVITY