Texas Penal Code - PENAL § 8.09. Victim of Trafficking or Compelling Prostitution

(1) was a victim of an offense under Section 20A.02 or 43.05;  and

(2) engaged in the conduct that is the subject of the prosecution as a direct result of being caused, through means of force, fraud, or coercion as described by Subsection (c), to engage in that specific conduct.

(1) the actor would not have engaged in the conduct that is the subject of the prosecution but for the use of force, fraud, or coercion;

(2) the use of force, fraud, or coercion would have compelled a reasonable person in the actor's circumstances to engage in the conduct;

(3) the actor was not merely afforded an opportunity to engage in the conduct without the use of force, fraud, or coercion;  and

(4) the conduct does not constitute an offense listed in Article 42A.054(a), Code of Criminal Procedure, unless the actor is charged only as a party to that offense under Section 7.01.