Application Window The Texas Department of Public Safety Law Enforcement Policy School is accepting applications for the Fall 2026 Basic Polygraph Examiner Course, scheduled for September 7, 2026. The application window closes on July 3, 2026. Tuition Tuition for the Basic Polygraph Examiner Course is $5,000 per student. This fee does not include meals or lodging. Email polygraph@dps.texas.gov […]