De Garmo v. State
In De Garmo v. State, 691 S.W.2d 657, 660-61 (Tex. Crim. App. 1985), the defendant admitted guilt at the punishment phase of trial. De Garmo, 691 S.W.2d at 660.
He then challenged the legal sufficiency of the evidence on appeal. Id. at 660-61.
After submission of the case, the court of criminal appeals "carefully reviewed the evidence" and found it "more than sufficient to sustain the verdict of the jury . . . ." Id. at 661.
According to the court, the evidence "would permit a rational trier of fact to find guilt beyond a reasonable doubt." Id.