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Trusted Private Investigator Services in Chicago
MSI Detective Services has been a trusted provider of investigative solutions since 1959, offering discreet and professional services to individuals, businesses, attorneys, and government agencies. Our team of highly trained investigators specializes in surveillance, electronic countermeasures, computer forensics, and fraud investigations, utilizing cutting-edge technology to deliver actionable intelligence. With over six decades of experience, we have built a reputation for solving complex cases through creative methodologies and a commitment to ethical practices.

Our services span nationally and internationally, addressing diverse needs from asset investigations to child custody matters. As a family-owned agency, we combine generational expertise with modern techniques to ensure client confidentiality and satisfaction. Our dedication to excellence is reflected in our A+ Better Business Bureau rating and recognition by major media outlets. We provide 24/7 emergency response and personalized consultations, ensuring clients receive timely, reliable support for their most sensitive challenges.
Services
Surveillance Computer Forensics Asset Investigations Background Checks Theft Investigations Fraud Detection Missing Persons Electronic Countermeasures Child Custody Cases Process Service
Details
  • Year established: 1959
Highlights and features
  • Over 65 years of investigative experience in Chicago and nationwide.
  • 24/7 emergency services for urgent case requirements.
  • Certified Fraud Examiner on staff with specialized fraud expertise.
  • Advanced technology for surveillance, forensics, and countermeasures.
  • Proven track record solving complex cases for attorneys and businesses.
Associations and certifications
  • Better Business Bureau
  • Association of Certified Fraud Examiners
Services
Surveillance
MSI conducts professional surveillance using hidden and long-range cameras for infidelity cases, child custody matters, and corporate investigations. Our team captures high-quality video evidence in challenging locations like airports and hotels. Services include real-time monitoring and detailed reporting for legal proceedings.
Computer Forensics
Our experts recover deleted data from computers and smartphones using advanced forensic tools. We detect spyware, extract digital evidence, and analyze electronic devices for fraud or theft cases. Services support legal proceedings with court-admissible documentation and expert testimony.
Asset Investigations
We uncover financial assets and business holdings for mergers, investments, or legal disputes. Our discreet investigations reveal undisclosed assets through thorough research and fieldwork. Clients receive detailed reports on financial stability and ownership structures for informed decision-making.
Background Checks
MSI provides comprehensive background investigations covering criminal records, employment history, and financial integrity. Our checks support hiring decisions, partnership evaluations, and prenuptial agreements. We combine public records with field interviews for complete, accurate profiles.
Theft Investigations
Our team investigates employee theft, insurance fraud, and personal property theft with court-ready evidence. Services include surveillance, polygraph testing, and forensic analysis. We work with law enforcement to build prosecutable cases while protecting client interests.
People
Perry Myers
President
Perry Myers, CFE, leads MSI Detective Services with over 65 years of investigative experience. A former MI6-trained investigator, he specializes in fraud detection and has authored articles on investigative techniques. He continues his family's legacy since 1959.
Questions
What services does MSI Detective Services offer?
We provide surveillance, computer forensics, asset investigations, background checks, theft investigations, and fraud detection services for individuals and businesses.
Are your services confidential?
All consultations and investigations are 100% confidential with strict privacy protections throughout the process.
Do you operate outside Chicago?
Yes, we handle cases nationally and internationally with a network of experienced investigators.
Are emergency services available?
24/7 emergency response is available for urgent investigative needs through our after-hours line.
What payment methods do you accept?
Payment options will be discussed during your free consultation with our investigative team.
How experienced is your team?
Our investigators have over 65 years of combined experience with specialized training in fraud detection and electronic countermeasures.