Investigation vs. Surveillance

Investigationnoun

The act of investigating; the process of inquiring into or following up; research, especially patient or thorough inquiry or examination

‘The investigation into the crime has led to various leads as well as plenty of dead ends.’; ‘Despite thorough investigation, the perpetrator of the attacks remains unknown.’;

Surveillancenoun

Close observation of an individual or group; person or persons under suspicion.

Investigationnoun

The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.

Surveillancenoun

Continuous monitoring of disease occurrence for example.

Investigationnoun

an inquiry into unfamiliar or questionable activities;

‘there was a congressional probe into the scandal’;

Surveillancenoun

Systematic observation of places and people by visual, aural, electronic, photographic or other means.

Investigationnoun

the work of inquiring into something thoroughly and systematically

Surveillancenoun

(legal) In criminal law, an investigation process by which police gather evidence about crimes, or suspected crime, through continued observation of persons or places.

Investigationnoun

the action of investigating something or someone; formal or systematic examination or research

‘he is under investigation for receiving illicit funds’;

Surveillancenoun

Oversight; watch; inspection; supervision.

‘That sort of surveillance of which . . . the young have accused the old.’;

Investigationnoun

a formal inquiry or systematic study

‘an investigation into fresh allegations of malpractice’; ‘a murder investigation’;

Surveillancenoun

close observation of a person or group (usually by the police)

Surveillance

Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing. This can include observation from a distance by means of electronic equipment, such as closed-circuit television (CCTV), or interception of electronically transmitted information like Internet traffic.