Thomas Rucke, Cadfael Investigative Group

Cadfael Investigative Group is comprised of highly skilled and experienced investigators focused on providing you or your business the advantage over fraud.



P. O. Box 46513
Wayzata, MN 55441

Business Phone


Mobile Phone



Business Hours

As a licensed private investigator we are in the business of analyzing events and all the facts to provide the best possible strategy for our clients. We give all new clients one free hour of consultation to any client, whether they are a business, police department or another private investigator to give them that advantage in a particular situation. We are available when needed, 24/7--365.


Background Investigations, Civil Investigation, Identity Theft, Trial Preparation, White Collar Crime, Workplace Investigations

Coverage Area

Minnesota Private Investigator License: 955

Counties Covered: Anoka, Benton, Carver, Chisago, Dakota, Hennepin, Isanti, McLeod, Meeker, Ramsey, Sherburne, Stearns, Washington, Wright


Coverage Area: Our private investigator's license, number 0955, permits us to conduct private investigations thorough out the State of Minnesota. We find we are most effective, especially in complex investigations, to accept those cases closest to the Minneapolis/St. Paul area. For important or very serious cases such a kidnapping, murder, etc., it matter not where it started.

Cadfael Investigative Group, Inc. is dedicated to the detection, eradication, and prevention of fraud schemes to protect and enhance the profitability of companies, families, and individuals throughout the State of Minnesota. Cadfael is comprised of highly skilled investigators whose education, training, and practice has been honed over decades of experience.

Our highly developed investigative skills are the foundation for our investigative work that provided our client with the most effective and efficient investigations to protect them from threats both external and internal, untruths and misrepresentations. As members of the Association of Workplace Investigators, we offer businesses guidance and support to ensure that our clients obtain and maintain the most effective and efficient workforce possible.

Our offices are located in Minneapolis, MN to offer a timely response to issues to satisfy the needs of our clients to address their problems and challenges as soon as they are uncovered and before they can fester into a more serious problem.

It's not just about DOING an's about doing it RIGHT!

MAPI sponsors have opportunities to meet with our members at MAPI Events, and to provide materials and information to them about their business.
For more information on how you or your business can become a MAPI Sponsor, visit our Payment page to get started.

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