surveillance Synonyms

inspection observation oversight information gathering monitoring watching vigilance reconnaissance scrutiny watchfulness view survey heedfulness vigilantism surveyance tailing tracing watch track tracking vigil supervisory bugging data collection intelligence gathering close observation close watch peeled eye undercover work eyes wiretapping voyeurism stakeout secret service camcorder look-over wiretap safety measures supervision guard focus eye examination espionage espial eavesdropping direction detection control charge