Madigan PI, LLC A Private Investigation Company We serve all of Illinois and we are now licensed in Wisconsin!!!
Madigan PI, LLC A Private Investigation Company We serve all of Illinois and we are now licensed in Wisconsin!!!

The Madigan PI, LLC Team

 Thomas Madigan


Thomas attended Western Illinois University and later Columbia College where he obtained a Bachelor of Arts in Criminal Justice.  Thomas began his career at the Freeport Police Department where he has worked as a patrolman, Inspector in SLANT (State Line Area Narcotics Team, an Illinois State Police Drug Task Force), a Corporal on patrol, a Corporal in the Freeport Police Department's Street Crimes Unit, and as a Sergeant with the Freeport Police Department.  


During Thomas' 11 years in law enforcement, he has had the opportunity to work a variety of cases including working full-time investigations.  Thomas has received specialized training in the following fields:  Reid's method of Interview and Interrogation, Advanced Interview and Interrogation, 80 hour Accident Investigation, Radar Speed measurement, handcuffing techinques, 32 hour Breath Alcohol Testing, Rapid Deployment, Advanced DUI enforcement, Drugs that Impair Driving, Criminal Code Review, Trouble shooting Search and Seizure, 80 hour basic Narcotics Investigator, Indoor Cannabis Grow Investigation, Effective Supervision for Law Enforcement, Investigation of Methamphetamine, Basic Background Investigation, Basic SWAT, and Field Training Manager.


Thomas has received awards in the areas of DUI enforcement and Drug Enforcement.  Thomas has served in a variety of positions at the Freeport Police Department including Assistant Commander of the Auxiliary Police Unit, Field Training Program Coordinator, Squad Leader on the Emergency Response Team, and Squad Leader on Region 2 Mobile Field Force Team.


Thomas' diverse background in law enforcement and investigations makes him a well-balanced investigator.  Thomas is an Illinois licensed private detective, license number 115.002354.  


Contact Us

Madigan PI, LLC

P.O. Box 141

Lena, IL 61048


Phone: (815)238-4172




Illinois License      # 115.002354

Illinois License      # 117.001666

Wisconsin License # 17024-62


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Office Hours

Please call us to schedule an appointment that is convenient for you.  We will travel to meet you.  We can be reached 24 hours a day.  Just call toll free (815)238-4172 or email us at for a quote.