Chicago’s Premier Private Detective Agency - Established in 1959 - 100% Confidential!

Call Us Now! (773) 404-7400 or Nationwide (888) 338-4545

  • MSI Detective Services’ investigators are experts at video surveillance – using state of the art hidden and long range cameras.

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  • MSI Detective Services’ investigators are trained experts locating eavesdropping by Electronic Countermeasures and Debugging Sweeps.

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  • For over 50 years, MSI Detective Services has faithfully served individuals, business and government agencies with our professional investigator services.

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  • MSI Detective Services specializes in discreet, professional & confidential investigative services for our clients in Chicagoland area and anywhere in the world.

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  • MSI Detective Services is dedicated to solving crime and wrong doing by tackling and solving all types of cases by using creative and ingenious methods.

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  • MSI Detective Services conducts theft investigations, computer forensic examinations and cellular forensics – recovering deleted data.

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CONTACT US NOW - CALL US TOLL FREE @ (888) 338-4545

FOR YOUR FREE 100% CONFIDENTIAL CONSULTATION