MCMAHON & ASSOCIATES is a full service Detective Agency. Our services include Civil, Criminal, Corporate, insurance and general investigations. Insurance related investigations, surveillance, asset searches, background checks on individuals and corporate investigations are among the many services that we provide.

Rory J. McMahon has over 40 years of Investigative experience; including 12 years in federal law enforcement, and 29 years as the owner of McMahon & Associates Detective Division. Rory is a Certified Legal Investigator (CLI), Certified Fraud Examiner (CFE), Certified Criminal Defense Investigator (CCDI), Educator, Lecturer and best selling author of books on investigation.

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The Firm Report

Between 1978 and 1991, Rory J. McMahon was a Federal Probation officer in the Southern Districts of New York and Florida. During his career, he investigated and supervised numerous career criminals, including major white collar and fraud specialists, large scale narcotics traffickers, and organized crime members and associates.

Corporate Report

McMahon and Associates has extensive experience in conducting investigations within the corporate environment. Our investigators work closely with management, corporate counsel, internal security, and local and federal law enforcement.

General Report

Our detectives conduct all forms of civil, criminal, surveillance and other investigations. We routinely provide our clients with skip tracing, background, public record and asset searches. McMahon & Associates has extensive experience in conducting both stationary and mobile surveillances.

Books Report

This book is designed for individuals studying to become investigators, as well as investigators of all types and with all levels of experience. The author shares what his research and experience have taught him in his 46 years as an investigator. Though no claim is made to be a definitive thesis on how all investigations should be performed, It will certainly provide useful perspective to professional investigators in terms of evaluating their approach to working cases.Criminal investigations, surveillance, arson and insurance, skip tracing, and missing persons.

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