Applied Investigations

Applied Investigations (AI) is a licensed investigation firm providing general investigative and polygraph services for individuals, attorneys and businesses within the State of Tennessee and the Commonwealth of Kentucky. J.R. Stainback IV is the sole licensed private investigator for AI performing a wide range of general investigative services including domestic issues, custody observances, insurance fraud and expert witness services for both plaintiffs and defendants. J.R. Stainback IV is a Certified Forensic Psychophysiologist (polygraph examiner), Tennessee State License #113.

Primary Service Locations: Tennessee: Knoxville, Oak Ridge, Maryville-Alcoa, Lenoir City, Kingston, Harriman, Morristown, Maynardville, Tazewell, New Tazewell, Harrogate, LaFollette, Clinton, Bean Station, Rogersville, Jefferson City, Pigeon Forge, Sevierville, Gatlinburg, Kingsport, Johnson City, Crossville, and the counties of Campbell, Union, Knox, Anderson, Sevier, Loudon, Roane, Morgan, Scott, Jefferson, Blount, Cumberland, Rhea, Miegs, McMinn, Monroe, Claiborne, Grainger, Hamblen, Hancock, Johnson, Carter, Sullivan, Unicoi, Washington, Hawkins, Greene, Cocke, and Jefferson, counties.

Kentucky: Middlesboro, Barbourville, Corbin, Manchester Harlan, Pineville, London, Manchester, Hyden, Hazard and the counties of Whitley, Knox, Bell, Harlan, Clay, Leslie, Laurel, Perry, and Letcher.

Other areas are considered depending on the scope of the assignment.

See What I Do , my specific Services and Polygraph Services page tabs above or click on the bold words.

Are you concerned your spouse, boyfriend, or girlfriend may be having an affair? Having a concern your significant other or spouse is having an affair with someone else? AI can investigate for you discretely, reliably and ethically. If you suspect a cheating significant other or spouse based on your intuition and other factors, you’re very likely to be exactly right. AI uses legal means to acquire digital still and/or digital video as factual evidence.