Texas Government Code - GOV'T § 432.174. Investigation

(a) On the filing of an unrestricted report alleging an offense under Section 22.011 or 22.021, Penal Code, the coordinator:

(b) A local law enforcement agency that initially collects evidence for an unrestricted report under Subsection (a) shall transfer all relevant evidence and information to the Texas Rangers division of the Department of Public Safety on request of the division.

(c) On the filing of an unrestricted report alleging an offense under Section 22.012, Penal Code, the coordinator shall refer the unrestricted report to the appropriate local law enforcement agency for investigation.

(d) The Texas Rangers division of the Department of Public Safety shall assign an officer of the Texas Rangers to investigate reports referred to the division under this section. If the investigation demonstrates probable cause that an offense under Section 22.011 or 22.021, Penal Code, was committed by a person subject to this chapter, the investigator shall refer the matter to the appropriate local district attorney, criminal district attorney, or county attorney with criminal jurisdiction.