(a) The unsolved crimes investigation program is an investigative program within the department.
(b) The program is a function of the Texas Rangers and will be commanded by the chief of the Texas Rangers.

(c) The director may employ commissioned peace officers and noncommissioned employees to perform duties required of the program.
(d) To be eligible for employment under this section, a peace officer must be a sergeant or higher-ranked officer of the Texas Rangers and must have two or more years of experience in the investigation of homicides or other major felonies.
(e) To be eligible for employment under this section, a noncommissioned employee must meet the experience, training, and educational qualifications set by the director as requirements for investigating or assisting in the investigation of an unsolved crime.