Our Vision

Training

​To Provide Thorough And Detailed Investigative, Security And Training Services With A Positive Attitude, A Sense Of Urgency And The Utmost Integrity To Private Sector, Law Enforcement And Governmental Entities Throughout The World.

• Academy for Scientific Investigative Training

KEYSTONE SECURITY SERVICES, LLC
Offering Professional Security Officer and Protection Services 

KEYSTONE INTELLIGENCE NETWORK is proud to have been selected as the official polygraph service
​for applicant screening by the Philadelphia Police Department and SEPTA Police Department.

Publications

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Our Principal Team

EXPERTS IN THEIR FIELD

Nathan J Gordon
President and Founder

William L. Fleisher, C.F.E.
Director

Benjamin Redmond
Executive Director

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Joseph Downs
International Investigator

Tuvia Shurany
International Director of Operations and Training Central and South America

​Gloria Alvarado
Office Manager

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                     Darrell O'Connor                                                                                                    Nicole Junod                                                  
        Director of Special Operations                                                                      Polygraphist &  Admin Assistant