Exact Match:
- stakeout
- surveillance of some place or some person by the police (as in anticipation of a crime)
Synonyms:
- bugging,
- cloak-and-dagger work,
- counterespionage,
- counterintelligence,
- electronic surveillance,
- espial,
- espionage,
- following,
- intelligence,
- intelligence work,
- military intelligence,
- observation,
- secret police,
- secret service,
- shadowing,
- spying,
- surveillance,
- tailing,
- trailing,
- wiretap,
- wiretapping