Private investigation in Boston, MA

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We Are New England's Premier Provider of Professional Proactive Protection.

Truth Detection Laboratories Since 1981 has provided polygraph testing to: - US Marshals, Mass. Dept. of Correction- Boston Police Department Internal Affairs- Middlesex County District Attorney's Office - Watertown P.D.- Chelsea P.D.- Hanson P.D., -

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After serving 38 years in law enforcement, we provide a range of professional security services, including Executive Protection, Event Security Management, Security Consulting and General Investigations.