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1 Source Private Investigations, a U.S. Marine Corps veteran-owned business, serves Northwest Indiana. With over 40 years of experience, they specialize in surveillance, financial investigations, and cell phone/computer analysis. Discreet, results-driven, and licensed, they offer comprehensive private detective services.

Our agency catches people in the act, using professional tactics and high-definition low-light video cameras. Whether it’s marital infidelity or corporate fraud, they provide evidence discreetly.
Financial Investigations: They track down money trails, uncover hidden assets, and analyze financial transactions. Their expertise helps clients navigate complex financial matters.

We conduct cell phone/computer analysis: When digital evidence matters, 1 Source Private Investigations recovers and analyzes information from devices, aiding legal cases and personal inquiries.

We are a Veteran-Owned and operated company, founded by a U.S. Marine Corps veteran, that is why our commitment to excellence is unwavering. With hundreds of hours of courtroom experience and thousands of investigative cases demonstrate their effectiveness. We don’t settle for vague promises; we deliver actionable results.