Criminal / Civil / Forensic Investigations


Skip Tracing
Specializing in criminal defense investigations

Call for your free consultation today 414.460.0006

Licensed and Bonded Detective Agency

About Us

Thomas E. Fischer is a career detective whose experience includes 30+ years with the Milwaukee Police Department.

Thomas Fischer Investigations LLC BBB Business Review

Thomas Fischer

​​Investigations LLC​

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FREE CONSULTATION   414.460.0006

Our mission at Thomas Fischer Investigations LLC is to provide you with professional investigative services.  We take pride in our experienced investigators who will work your case to the fullest extent, and provide you with a thorough report so you or your client can make informed decisions.

We are licensed to conduct a full range of investigations throughout Wisconsin, including criminal/civil, interviews/interrogations, skip tracing investigations, surveillance, and forensic investigations.

We are a bonded detective agency with fully-licensed detectives.

State of Wisconsin Detective Agency #16784-62
Detective License #11713-63

We are experienced retired law enforcement officers with nearly 100 years of combined service. We have the training and experience to deal with your client’s needs or your own. There are many individuals claiming to have the proper credentials to assist you in the defense of your client; we welcome you to review our credentials and make the decision for yourself.

If it is important to you, it is important to us! I will answer your questions and address your concerns day or night.

Contact Us

Thomas Fischer Investigations
Criminal / Civil / Forensic Investigations


Octavio "Otto" Delgado

Spanish Speaking Investigator
Investigator, WI P.I. License #120360-63
WI Firearms Permit #15102

Kara Koceja 
Investigator/Forensic Technician
WI P.I. License #12418-63

Randolph Olson
Investigator/Counter Surveillance Expert

WI P.I. License #12192-63

The above-listed investigators are subcontractors that work

exclusively for TFI LLC. 

Thomas E. Fischer, Certifed Legal Investigator

Owner/Chief Investigator
​Thomas Fischer Investigations LLC


Member, Professional Association of WI Licensed Investigators
Member, National Association of Legal Investigators
Member, National Council of Investigation and Security Services
Member, International Intelligence Network

Contact us at for questions about our services. 

Investigator Thomas E. fischer,

Certified Legal Investigator

Milwaukee PD Detective (retired)

WI P.I. License #11713-63