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50+ Years
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Emergency
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Trusted Private Investigator Services in Chicago
Founded in 1959 by former British Intelligence Investigator Stan Myers, MSI Detective Services has established itself as a premier private investigation agency serving clients locally, nationally, and internationally. Our team of highly trained professionals specializes in discreet and confidential investigative services, leveraging cutting-edge technology and creative methodologies to solve complex cases. With expertise in surveillance, electronic countermeasures, computer forensics, and asset investigations, we provide tailored solutions for individuals, businesses, attorneys, and government agencies.

Our commitment to integrity, combined with over six decades of experience, ensures clients receive actionable intelligence and court-ready evidence. Headquartered in Chicago, we maintain a 24/7 emergency response system and hold industry-recognized certifications, including Certified Fraud Examiner (CFE) designations. Our dedication to excellence has earned us a reputation as a trusted partner in resolving high-stakes investigative challenges.
Services
Surveillance Investigations Computer Forensics Theft Investigations Asset Investigations Locate Services Electronic Countermeasures Child Custody Cases Background Checks Fraud Investigations Process Service
Details
  • Year established: 1959
Highlights and features
  • We offer 24/7 emergency investigative services with immediate response capabilities
  • Our team includes Certified Fraud Examiners with specialized financial investigation expertise
  • We utilize state-of-the-art surveillance and forensic technology for evidence collection
  • Our investigators have over 65 years of combined experience in complex case resolution
  • We maintain strict client confidentiality with court-tested evidence documentation processes
Associations and certifications
  • Association of Certified Fraud Examiners
Services
Surveillance Investigations
Our surveillance operations utilize advanced hidden and long-range cameras to document subjects in various environments. Investigators capture video evidence for infidelity cases, child custody disputes, and corporate investigations. With rapid deployment capabilities, we provide real-time monitoring and comprehensive reporting for legal proceedings and insurance claims.
Computer Forensics
We recover deleted data from computers and mobile devices using specialized forensic tools. Our technicians identify spyware, extract hidden communications, and analyze digital evidence for court presentation. Services include hard drive cloning, data mining, and expert testimony for civil and criminal cases involving electronic evidence.
Theft Investigations
Our team specializes in uncovering employee theft, insurance fraud, and personal property theft through covert surveillance and forensic analysis. We provide courtroom-quality evidence documentation, polygraph services, and theft prevention consulting for businesses and individuals throughout the Chicago area.
Asset Investigations
We conduct thorough financial investigations to identify hidden assets for legal proceedings and business transactions. Our discreet inquiries reveal property holdings, investment portfolios, and income sources through public records analysis and field investigations for divorce cases and corporate due diligence.
Locate Services
Our skip tracing experts use advanced databases and field resources to locate missing persons for legal, familial, and business purposes. We specialize in finding debtors, witnesses, and lost relatives using minimal information with international investigation capabilities and rapid response options.
People
Perry Myers
President
Certified Fraud Examiner with over 30 years of investigative experience, Perry Myers leads MSI Detective Services as second-generation owner. He specializes in financial fraud investigations and has authored multiple publications on investigative techniques.
Questions
What types of cases does MSI Detective Services handle?
We handle infidelity investigations, child custody cases, theft investigations, computer forensics, asset tracing, and corporate fraud cases for both individuals and businesses.
Are your services confidential?
All consultations and investigations are 100% confidential with strict client privacy protections maintained throughout the investigative process.
Do you offer emergency services?
Yes, we provide 24/7 emergency response with investigators available for urgent cases through our after-hours dispatch system.
What areas do you serve?
We operate throughout Chicagoland and provide national/international investigations with established resources in major metropolitan areas.
How much do your services cost?
Costs vary by case complexity - basic surveillance starts at $75/hour while computer forensics ranges from $350-$2000 depending on device type and required analysis.
Are your investigators licensed?
Yes, we maintain active licenses in Illinois (117-000206) and Wisconsin (10426-63) with all investigators meeting state certification requirements.