Millennium Investigations, Inc. is Illinois’ trusted detective agency. Serving Chicago and beyond, our licensed detectives deliver discreet, professional investigations—fraud, missing persons, background checks, and more. Trust us for proven results and integrity.

Our surveillance services provide clear, documented evidence for law firms, insurers, businesses, and private clients across Illinois. We conduct discreet mobile, static, and covert video surveillance to verify activities, confirm claims, and uncover potential fraud while remaining fully compliant with Illinois law.
Our investigators capture time-stamped photos, video, and detailed written reports, giving you reliable facts instead of assumptions for negotiations, hearings, and court proceedings. Each case begins with a focused strategy and an operational plan tailored to your objectives, with our team blending seamlessly into any environment while gathering the information you need to move your case forward.

Our investigation agency provides comprehensive asset and background investigations as well as in-depth personal investigations to help verify assets, credentials, relationships, and personal associations. Whether you’re seeking personal due diligence or professional verification, our licensed investigators deliver accurate, confidential results you can trust.

Alimony reduction investigations are often needed when there’s a significant change in life circumstances—such as job loss, income reduction, or when a former spouse is cohabitating in violation of court orders.
Our experienced Illinois private investigators gather clear, court-admissible evidence and provide a winning strategy to support your case. We deliver the facts you need to help reduce or modify alimony payments legally and effectively.

Our agency has successfully handled a large number of child abduction cases. Our investigators work tirelessly to locate missing children and return them to their families. Our efforts have been recognized by the National Center for Missing and Exploited Children.

Strong cases are built on strong evidence, and our agency excels at gathering, verifying, and documenting the facts your matter depends on. We conduct thorough witness interviews and obtain clear, signed statements that capture key observations and timelines in a professional, court-ready format.
Using advanced technology—including digital evidence preservation, GPS data analysis, and social media reviews—we maintain proper chain of custody and deliver secure, cloud-based files that support sound legal and business decisions in injury, fraud, and internal investigations

The evidence gathered during a child custody investigation provides your attorney with the verified facts needed to make informed recommendations regarding parental fitness and the most suitable custodial parent. Our licensed private investigators deliver objective, court-admissible documentation to help ensure the best outcome for your child’s welfare and safety.

Wayne E. Halick, LPD, CFE, CII
Agency Director
Detective Wayne Halick is a Licensed Private Detective, Certified Fraud Examiner (CFE), and Certified International Investigator (CII) based in Illinois. As the Founder and CEO of Millennium Investigations, Inc., Detective Halick has over two decades of experience leading complex investigations, locating missing persons, and uncovering fraud across corporate, civil, and criminal cases.
Detective Halick gained national recognition when he received the “Saver Award” for successfully recovering a missing 15-year-old girl who had been abducted and forced into human trafficking. His outstanding work has been featured by the Chicago Sun-Times, The Wall Street Journal, and numerous other media outlets that have sought his expert insight on investigations, fraud examinations, and law enforcement procedures.
In 2008, Detective Halick earned the “Detective of the Year Award”, one of several accolades acknowledging his contributions to the investigative community. He has also been recognized by the National Center for Missing and Exploited Children for his international child recovery work.
Wayne Halick currently serves as the Illinois State Director for the Association of Christian Investigators, sits on the board of the Fatherhood Educational Institute, and is an active member of professional organizations including the Council of International Investigators and the Special Agents Association. He is also an NRA and Illinois State Certified Firearms Instructor.
Above all, Detective Wayne Halick is most proud of his role as a father, balancing his dedication to family with his lifelong mission to seek truth, protect the vulnerable, and deliver justice.
2325 Dean Street, St. Charles, IL 60175
Call us today: (630) 543-5500
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