Assertion: surveillance | /r/HasProperty | helpful
Facets:
value: in the work of private detectives
type: OTHER
value: frequently
type: DEGREE
Source sentences:
text: Surveillance is often crucial to law enforcement investigations; it is also frequently helpful in the work of private detectives.
text: Surveillance is often crucial to law enforcement investigations; it is also frequently helpful in the work of private detectives.
text: Surveillance is not always a vital part of an investigation but can be helpful and necessary depending on the nature of the investigation.