Sr. Cpl. J.D.Byas is a 34-year veteran of the Dallas Police Department. He became a SWAT officer In 1993 and was eventually selected has a counter-sniper, specializing in glass ballistics. He became a hostage/crisis negotiator in 2000, and has completed 650 hours of training with the Suicide /Crisis Center. His 25 years of SWAT experience cover over 475 barricaded persons and suicidal call outs, and several hundred high-risk warrants. Byas is currently assigned to the SWAT Support Unit. He is certified as a Texas Law Enforcement and Tactical Instructor.