Cover image with a black-and-white photo of a crowded crosswalk and red overlay text that reads: What Information Can a Private Investigator Obtain – Clear answers on what PIs can and cannot access legally

What Information Can a Private Investigator Obtain?

This guide explains what information a private investigator can obtain legally, including public records, surveillance, digital footprints, and asset tracing. It also clarifies what they cannot access, helping clients avoid fraud and stay protected. GrayCat PI shares trusted expertise for anyone considering professional investigative services in Mexico and beyond.

Are private investigators legal? Cover image showing a person reviewing legal documents, with GrayCat PI branding.

Are Private Investigators Legal? What They Can and Cannot Do

Private investigators are legal when they use lawful methods. This guide explains what PIs can and cannot do in the U.S. and Mexico, including surveillance, trespassing, arrests, background checks, GPS tracking, drones, evidence limits, and lawful reporting. Includes a checklist for hiring a PI in Mexico and common FAQ answers.