In Casey v. State, 924 S.W.2d 946 (Tex. Crim. App. 1996), the Court of Criminal Appeals concluded that the trial court erred by not giving the defendant a competency hearing before sentencing. Id. at 949. The Casey Court's disposition was: (1) to vacate the judgment of the court of appeals and; (2) to remand the case to the court of appeals with instructions: (a) to abate the appeal and; (b) to remand the case to the trial court for a determination of the defendant's competency at the time of sentencing. Id. at 949.