Polygraph Examinations for Attorneys, Individuals, and Businesses

Kendall Investigations provides polygraphs in Tennessee and across the USA, administered by our President, Kendall Shull. Kendall is formerly the chief of the entire FBI’s Polygraph Program in Washington, DC. He has earned a Master’s Degree in Polygraph (the only one in the world) and has conducted and published research on polygraph, proving his thorough knowledge and understanding of the exams.

Kendall has lectured and trained polygraph examiners all over the U.S. and has the experience required to oversee a flawless polygraph examination. Allow him to put this expertise to work for you.

Call 865-339-3172 to discuss your situation and need for a polygraph examination.

Credentials and Expertise That Make a Difference

Choosing a qualified polygraph examiner with the proper background and experience is essential to ensuring the validity of the exam. If you need a polygraph in Knoxville, Tennessee and across the USA then you will find Mr Shull's credentials are second to none.

As the sole holder of a Master’s Degree in Polygraph, Kendall is the foremost mind on the subject. He is widely regarded as the world’s leading polygrapher and was interviewed by 60 Minutes as part of a presentation on polygraph testing.


Polygraphs are typically used by attorneys and private individuals during investigations for many different types of situations.

  • Do you suspect that your spouse is cheating?
  • Do you think someone has done something wrong? Confirm your suspicions with a polygraph test.
  • Do you need to defend false accusations?
  • Do you need to prove your innocence?

Call us now. All of our polygraphs are personally performed by our owner and President to ensure accuracy and peace of mind.

The Truth is Still the Truth Even if No One Believes it, A Lie is Still a Lie Even if Everyone Believes it.