Polygraph and Investigative Services

Criminal, Civil and Domestic Issues


With a combined professional background that spans more than 70-years of law enforcement investigative and police leadership experience, at Hendricks Polygraph, Inc. and Confidential Research, Inc. we are proud of our past history and long-standing approach to providing professional polygraph and investigative services. Whether providing professional services to area law enforcement officials, to the regional legal community, or to private sector businesses and individuals, Hendricks Polygraph, Inc. and Confidential Research, Inc. has established an impressive reputation throughout the Texas Gulf Coast region.  Reliability, responsiveness and respect for the individual encapsulate the core principles that lead, guide and direct us in serving our broad base of clients.

We welcome the opportunity to become your primary resource for polygraph and investigative services. 

For 32-years we have been conveniently located near Houston's Intercontinental Airport and Harris County Courts in historic downtown Humble, Texas 

1300 N Sam Houston Pkwy E, Suite 210

Houston, TX 77032

Telephone: 281-446-2454

Telecopier: 281-446-9583

Professionally Affiliated with the Following Organizations: 

Hendricks Polygraph, Inc. 


Confidential Research, Inc.