Legal and investigative
Exams that support legal matters and investigations, often requested by attorneys, investigators and people involved in a case.
More about legal exams →Exams are conducted by Craig Stotts, a retired Twin Falls Police lieutenant who has been a polygraph examiner since 2013. Every client is treated with fairness, discretion and respect.
Individuals, attorneys, agencies and employers work with Summit Polygraph. Not sure which exam fits? Call and Craig will help you decide.
Exams that support legal matters and investigations, often requested by attorneys, investigators and people involved in a case.
More about legal exams →Private exams that help couples get clarity on personal questions, handled with complete discretion.
More about relationship exams →Pre-employment screening and internal matters for law enforcement, public agencies and employers permitted under federal law.
More about employment exams →Compliance and monitoring exams, including sex offender management exams. Craig is a certified senior-level examiner through the Idaho Sex Offender Management Board.
More about post-conviction exams →Other situations can often be addressed. Call to talk through what you need.
More about specialized exams →Talk with Craig about your situation and the questions you need answered.
Set a time at the Twin Falls office. You'll get instructions before your appointment.
A pre-test discussion, the exam itself and a review. Most appointments take several hours.
Results are reviewed and explained. Next steps depend on the type of exam.
Craig and his family have called the Magic Valley home since 1998. He served the Twin Falls community for more than 26 years with the Twin Falls Police Department before retiring as a lieutenant in 2024.
Craig knows that taking a polygraph can be stressful. His goal is a calm, professional setting where every client is treated with fairness, dignity and respect.



Exams take place in a private office, with parking right outside the building.
The fastest way to schedule is a phone call. Craig will answer your questions, help you choose the right exam, and set a time.
Prefer email? summitpolygraph@gmail.com
450 Falls Ave, Suite 104
Twin Falls, ID 83301