New Hampshire All-Party

Licensing & Regulation

New Hampshire licenses PIs through the Department of Safety, Division of State Police, under RSA 106-F. Applicants must be 21+, demonstrate four years of investigative experience, submit fingerprints, and post a $20,000 surety bond.

Physical Surveillance

Public surveillance is permitted. New Hampshire has strong constitutional privacy protections. GPS tracking on a non-owned vehicle is constrained by stalking statutes.

Audio & Video Recording Consent

New Hampshire is an all-party-consent state under RSA 570-A:2. Every party to an oral or telecommunication must consent. The New Hampshire Supreme Court has consistently enforced the statute. Violations are felonies.

Domestic, Marital & Infidelity Investigations

New Hampshire allows fault-based divorce; adultery is a ground. PIs document patterns. Recording is constrained by the all-party-consent statute.

Cybersecurity, Hacking & Digital Investigations

RSA 638:17 (computer crime) parallels the CFAA. OSINT is permitted; pretexting is barred.

Missing Persons, Skip Tracing & Harassment

New Hampshire State Police coordinate missing-persons cases. DPPA fully applies. RSA 633:3-a (stalking) is broad.