HERE ARE SOME POINTS TO CONSIDER IN ORDER TO CONVICT THE ACCUSED BEYOND REASONABLE DOUBT IN DRUG CASES 1. Certainly, the prosecution bears the burden of proof to show valid cause for non-compliance with the procedure laid down in Section 21 of R.A. No. 9165, as amended. It has the positive duty to demonstrate observance thereto in such a way that, during the proceedings before the trial court, it must initiate in acknowledging and justifying any perceived deviations from the requirements of the law. Its failure to follow the mandated procedure must be adequately explained and must be proven as a fact in accordance with the rules on evidence. The rules require that the apprehending officers do not simply mention a justifiable ground, but also clearly state this ground in their sworn affidavit, coupled with a statement on the steps they took to preserve the integrity of the seized item. A stricter adherence to Section 21 is required where the quantity of illegal drugs seize...