President & CEO
- Director, Houston Livestock Show & Rodeo
- Advisory Board Member, Houston Junior Forum, Houston TX
- Member, Campus Improvement Team, Spring Branch Middle School, SBISD, Houston TX
- Master Peace Officer & Instructor's License - State of Texas
- Patrolman and Criminal Investigative Detective Harris County Sheriff's Department 1973 - 1981 (3rd largest Sheriff's Dept in the U.S.)
- Lieutenant, Captain, Assistant Chief Deputy Harris County Constable's Department (3rd largest law enforcement agency in Harris County) 1983 - 1984
- Lieutenant CID Austin County Sheriff's Department 1981 - 1983 & 1985 - 1996
- Charter Member, United States Marshal's Posse, Los Angeles CA
- Former President & Chairman of The Edward H. Bohlin Company, Houston TX and Hollywood CA.
- Script Technical Advisor for the movie and television industry
- Member, Texas Gang Investigators Association
- Advanced training in: Church Security, Protective Intelligence & Threat Assessments, Security Consulting, Electronic Countermeasures, Crime Scene Search, Advanced Criminology, Dignitary Protection & Assassinations, Advanced Explosives Investigations, Locks and Safes, Organized Crome, White Collar Crimes, Gem & Jewelry Identification, Internet and Cyber Warfare, Retail Investigations (Internal Theft), Techniques of Interviews and Interrogations.
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Lang Investigations, Inc.
8955 Katy Fwy., Suite 100
Houston, Texas 77024-1625
Tel: (713) 789-1449 Tol: (800) 621-8992
Fax: (713) 789-1367 Fax: (800) 789-3181
dlangjr@langinvestigations.com