Douglas O. Crewse, CFE

Certified Fraud Examiner

Mr. Crewse obtained an engineering degree from the Unites States Military Academy, West Point, New York and was a Special Agent Federal Criminal Investigator commanding units in the U.S. Air Force Office of Special Investigations (OSI). After Doug obtained his MBA from Texas Tech University, he founded Investigative Associates, Inc. specializing in corporate, legal, fraud and financial investigations. Doug is a Certified Fraud Examiner (CFE) and has been a guest lecturer for corporations and numerous investigative associations for over 30 years. He has written several books on investigative topics and is a frequent contributor of investigative articles on a wide variety of topics to numerous investigative journals. He is the owner, founder and manager of Investigative Associates, Inc. He can be contacted through his website at

Education and Qualifications:

  • B.S. Applied Science and Engineering, U.S. Military Academy, West Point, New York [1974]

  • MBA, Texas Tech University [1981]

  • Certified Fraud Examiner (CFE)

  • Licensed Private Investigator since 1981

  • Former Special Agent Federal Criminal Investigator, U.S. Air Force Office of Special Investigations (OSI)

  • Instructor, investigative courses and seminars

  • Author, investigative reference books and articles

Professional Associations:

  • Association of Certified Fraud Examiners [Life Member]

  • Texas Association of Licensed Investigators [Life Member]

  • North Texas Private Investigator’s Assoc. [Life Member]​​

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Specializing in Corporate Legal Fraud & Financial Investigations

Investigator Profile

With Investigative Associates, Inc. you’ll work with an experienced Investigative professional who holds a keen understanding of your individual situation

A detailed Curriculum Vitae' will be provided upon request.