Art. 11.18. MAY ARREST DETAINER.  Where it appears by the proof offered, under circumstances mentioned in the preceding Article, that the person charged with having illegal custody of the prisoner is, by such act, guilty of an offense against the law, the judge may, in the warrant, order that he be arrested and brought before him;  and upon examination, he may be committed, discharged, or held to bail, as the law and the nature of the case may require.
Acts 1965, 59th, Leg., vol. 2, p. 317, ch. 722.