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Investigative Services

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Welcome to Comprehensive Investigative Services.

We specialize in business due diligence, witness and background interviews, covert surveillance and locating missing persons. Serving attorneys, private and corporate clients. 

Nationwide Process Service available. On call twenty four/seven.  This PI never sleeps.

Do you need evidence for court?  Witnesses found, documents served, and testimony prepared.


Is your spouse cheating on you?


Do you need a debtor located or assets traced?


Does your potential employee have a criminal record or a hidden past?


Do you have a personal problem and need facts for peace of mind and closure?


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6351 W. Montrose # 185 Chicago, IL 60634 | ph 800.618.2155 | fax 773.736.5701

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