Tri State Detective Agency

Based in Philadelphia, Pennsylvania, Tri State Detective Agency is a licensed private investigation agency built around infidelity investigations. Its own site describes a practice that combines field work, records research and reporting for matters that require discretion and verifiable evidence.

Its published services include cheating spouse investigations, surveillance, child custody investigations and asset searches. Each assignment is handled with documented reporting so that clients can rely on the results in negotiations, claims handling or litigation.

The firm works mainly with private clients, families and their attorneys, who turn to its infidelity investigations when a personal matter requires discreet, documented answers before decisions are made.