In all cases where, by law, two witnesses, or one with corroborating circumstances, are required to authorize a conviction, if the requirement be not fulfilled, the court shall instruct the jury to render a verdict of acquittal, and they are bound by the instruction.
Tex. Code Crim. Proc. art. 38.17
TWO WITNESSES REQUIRED
Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722.
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.