Experience You Can Trust.
When you need answers, you deserve someone with experience, integrity, and a proven track record of results. That’s exactly what Fias Investigations brings to the table.
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Led by Andy Fias—a decorated, retired detective with nearly 30 years of law enforcement experience—Fias Investigations offers unmatched expertise in uncovering the truth. From high-profile criminal cases to sensitive family matters, Andy has spent his entire career tracking down facts, interviewing witnesses, and putting the pieces together when others couldn’t.

Andy's background includes:
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Thousands of hours spent interviewing suspects, victims, and witnesses to extract critical information
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In-depth investigations into fraud, theft, missing persons, narcotics, money laundering, workplace misconduct, and more
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Expert surveillance skills—both physical and electronic—taught to hundreds during his time as Michigan State Police's lead surveillance instructor
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Recognition as a qualified expert witness in West Michigan courts
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Extensive experience locating hard-to-find individuals and developing uncooperative witnesses
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A reputation for thorough, discreet, and ethical investigations
From 1994 to 2022, Andy served in a wide range of investigative and leadership roles with the Michigan State Police, including:
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Uniformed patrol, community relations, and school resource work
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FBI Joint Terrorism Task Force agent
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Detective roles in major case investigations, organized crime, and internal affairs
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Task force commander overseeing multi-county operations and grant-funded initiatives
After retiring in 2022, Andy founded Fias Investigations, LLC, a licensed private investigation firm based in Michigan. He now puts his decades of experience to work for clients who need clarity, truth, and peace of mind—whether it's a personal issue, a workplace concern, or a legal matter.
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If you're looking for a seasoned investigator who’s seen it all—and solved it all—Fias Investigations is ready to help.