What Is Surveillance?
What surveillance means in an investigation and how activity checks are documented.
What Is Field Investigation?
Field investigation is private investigation work performed in person, away from a desk.
Examples include site checks, address verification, neighborhood canvassing, surveillance, in-person record retrieval, witness location, and documenting conditions at a place relevant to a case.
Back to GlossaryRelated Terms and Pages
What Is Evidence?
What evidence means in a private investigation and why documentation matters.
What Is A Report Of Findings?
What a written investigation summary may include after research or field work.
Surveillance Services In Portugal
Discreet observation and activity checks for personal, civil, business, and insurance questions.
Portugal Coverage Areas
See the main cities and regions where field work, research, and verification may be available.
Private Investigator In Lisbon
Surveillance, due diligence, locate work, and relationship matters in Lisbon and nearby communities.