Hizon vs. Court of Appeals

The statutory presumption of guilt for illegal fishing under P.D. No. 704, which arises from the discovery of poisonous substances or fish caught with such substances on a fishing vessel, is a rebuttable prima facie presumption that does not violate the constitutional presumption of innocence. The presumption is overcome where the prosecution's evidence is unreliable and the defense provides a reasonable explanation inconsistent with guilt.

On September 30, 1992, acting on reports of illegal "muro-ami" fishing, the Puerto Princesa PNP Maritime Command and Task Force Bantay Dagat apprehended the F/B Robinson and its crew within the city's coastal waters. An inspection found the boat's documents and the fishermen's licenses in order, but the crew exceeded the authorized number, and two foreign nationals had only photocopies of their passports. No illegal fishing gear or substances were found onboard. The following day, fish samples were taken from the boat's live catch for laboratory testing. An initial NBI test found sodium cyanide in the samples, leading to the filing of criminal charges. A second test conducted after the filing of the case, on fish taken from the same source, yielded negative results for the poison.

• Nature of the Case: Petitioners were charged with illegal fishing using sodium cyanide under Sections 33 and 38 of P.D. No. 704.
• The Apprehension: On September 30, 1992, authorities found the F/B Robinson and its crew fishing by hook and line, not by the reported "muro-ami" method. An inspection revealed no illegal substances or contraband, only standard fishing gear and a live fish catch of approximately one ton.
• The Fish Sampling: On October 1, 1992, at the direction of SPO3 Enriquez, four live lapu-lapu were taken from the boat's fish cage, sealed in a plastic bag, and sent to the NBI. The NBI forensic chemist later found sodium cyanide in the specimens.
• Conflicting Forensic Results: After the information was filed, the court granted the defense's motion for re-examination. On November 23, 1992, five new live fish taken from the same fish cage (which had remained in government custody) tested negative for sodium cyanide.
• Defense's Version: Petitioners claimed they were legitimate fishermen using legal hook-and-line methods. They alleged the initial fish samples were taken under duress and that the apprehension was irregular.
• Lower Court Findings: The trial court gave credence to the first positive NBI report and convicted the petitioners based on the statutory presumption under P.D. No. 704.

• Admissibility of Evidence: Petitioners argued that the fish specimens were seized during an illegal warrantless search and arrest, rendering the NBI findings inadmissible.
• Violation of Presumption of Innocence: Petitioners contended that the statutory presumption of guilt under Section 33 of P.D. No. 704 unconstitutionally shifts the burden of proof and violates the right to be presumed innocent.
• Insufficiency of Evidence: Petitioners maintained that the prosecution's evidence, particularly the conflicting chemical tests, failed to prove guilt beyond reasonable doubt.

• Manifestation for Acquittal: The Solicitor General, representing the People of the Philippines, filed a "Manifestation in Lieu of Comment" joining the petitioners' plea for acquittal. The Solicitor General argued that the evidence was insufficient to convict, highlighting the unreliability of the prosecution's forensic evidence and the suspicious circumstances surrounding the taking of the first fish samples.

• Admissibility of Evidence: Whether the warrantless search of the F/B Robinson and the seizure of fish specimens violated the constitutional guarantee against unreasonable searches and seizures, rendering the evidence inadmissible.
• Validity of Statutory Presumption: Whether the presumption of guilt under Section 33 of P.D. No. 704 violates the constitutional presumption of innocence.
• Sufficiency of Evidence: Whether the prosecution proved the petitioners' guilt beyond reasonable doubt for illegal fishing with a poisonous substance.

• Admissibility of Evidence: The warrantless search was valid under the "moving vessel" exception to the warrant requirement, as fishing boats can be quickly moved out of jurisdiction. Furthermore, petitioners waived their right to question the search by failing to raise the issue during trial. The evidence obtained was therefore admissible.
• Validity of Statutory Presumption: The statutory presumption is constitutional. It is a prima facie presumption based on a rational connection between the proven fact (presence of poison or poisoned fish) and the presumed fact (illegal fishing). It does not preclude the accused from presenting evidence to rebut it.
• Sufficiency of Evidence: The prosecution failed to prove guilt beyond reasonable doubt. The conviction rested on the first positive NBI test, which was contradicted by a second negative test on fish from the same source. The integrity of the first specimen was questionable due to procedural lapses in its handling. Moreover, the initial inspection found no cyanide or specialized fishing gear, and apprehending officers testified the crew was fishing by hook and line. The statutory presumption was thus rebutted, creating reasonable doubt.

• Moving Vehicle Exception to the Warrant Requirement — Warrantless searches of moving vessels, aircraft, and motor vehicles are permissible when there is probable cause to believe they contain contraband or evidence of a crime, as they can be quickly moved beyond the reach of the law. The Court applied this exception to a fishing boat suspected of illegal fishing.
• Statutory Presumptions in Criminal Law — The legislature may establish prima facie presumptions in criminal statutes, where proof of basic facts gives rise to a presumption of guilt, provided there is a rational connection between the proven fact and the presumed fact. Such a presumption does not violate the presumption of innocence because it remains rebuttable, and the burden of evidence (to present exculpatory proof) shifts to the accused, while the burden of proof (to prove guilt beyond reasonable doubt) remains with the prosecution.

• "The statutory presumption is merely prima facie. It can not, under the guise of regulating the presentation of evidence, operate to preclude the accused from presenting his defense to rebut the main fact presumed. At no instance can the accused be denied the right to rebut the presumption." — This passage clarifies the non-conclusive nature of the statutory presumption and its compatibility with the right to present a defense.
• "The prosecution failed to explain the contradictory findings on the fish samples and this omission raises a reasonable doubt that the one ton of fishes in the cage were caught with the use of sodium cyanide." — This highlights the core evidentiary failure that led to the acquittal.

• Roldan v. Arca, 65 SCRA 336 (1975) — Cited as controlling precedent establishing the traditional exception to the search warrant requirement for searches of vessels for violations of customs and fishery laws.
• United States v. Luling, 34 Phil. 725 (1916) — Cited for the principle that the legislature has the power to define what constitutes prima facie evidence of a crime, provided the inference is not arbitrary.
• People v. Mingoa, 92 Phil. 857 (1953) — Cited to support the validity of statutory presumptions in criminal law that are based on a rational connection between the proven and presumed facts.

• Article III, Sections 2 and 3, 1987 Constitution — The constitutional provisions guaranteeing the right of the people to be secure against unreasonable searches and seizures and the right to be presumed innocent. The Court analyzed the case in light of these guarantees.
• Sections 33 and 38, Presidential Decree No. 704 (Fisheries Decree of 1975) — The substantive law defining and penalizing illegal fishing with obnoxious or poisonous substances. The Court examined the elements of the offense and the validity of the attendant statutory presumption.

Justices Regalado, Romero, Mendoza, and Torres, Jr. concurred with the decision of Justice Puno.

N/A — The decision was unanimous.