Texas Civil Practice & Remedies Code § 154.073(g)

(a) Except as provided by Subsections (c), (d), (e), and (f), a communication relating to the subject matter of any civil or criminal dispute made by a participant in an alternative dispute resolution procedure, whether before or after the institution of formal judicial proceedings, is confidential, is not subject to disclosure, and may not be used as evidence against the participant in any judicial or administrative proceeding ...
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(g) This section applies to a victim-offender mediation by the Texas Department of Criminal Justice as described in Article 56.13, Code of Criminal Procedure.