11. A was charged with treason for allegedly aiding the enemy during the war between the Philippines and the State of XYZ. The first witness of the prosecution, B, testified that he actually saw A unlock the cells of the enemies and allow them to flee. After the testimony of B, the prosecution manifested that the second and last witness it was supposed to present could no longer be found. Hence, it was constrained to conclude the presentation of its evidence. On the other hand, the defense waived its right to present countervailing evidence. The trial court thereafter rendered a verdict of conviction. Is the verdict of conviction proper? Reason(s).