Jocson vs. People of the Philippines

Strict compliance with the chain of custody requirements under Section 21 of Republic Act No. 9165 is mandatory in dangerous drugs cases; repeated breaches without justifiable grounds—such as the failure to immediately mark seized items at the place of seizure, to conduct physical inventory and photography, and to account for every link in the chain through testimony—render the identity and integrity of the corpus delicti uncertain and compel acquittal.

On June 16, 2004, members of the Station Anti-Illegal Drugs - Special Operations Task Force (SAID-SOTF) of Mandaluyong City conducted an operation targeting a certain "Tony" who was reported to be peddling illegal drugs along Daang Bakal Street, Barangay Old Zaniga. PO2 Robin Rosales Molina acted as team leader and poseur-buyer. Upon confronting the suspect, later identified as petitioner Antonio Jocson y Cristobal, the officers allegedly found in his possession a small plastic sachet containing white crystalline substance, which later tested positive for methamphetamine hydrochloride.

• The Entrapment Operation: On June 16, 2004, PO2 Robin Rosales Molina, assigned to the SAID-SOTF, received information that a certain "Tony" was peddling illegal drugs along Daang Bakal Street, Barangay Old Zaniga, Mandaluyong City. Acting on this, PO2 Molina organized a team and designated himself as poseur-buyer, with PO1 Joseph Espinosa, PO1 Salvador Del Mundo, and PO1 Jefferson Gonzales as back-up. The team submitted a Pre-Operation/Coordination form to the Philippine Drug Enforcement Agency (PDEA), which indicated a planned surveillance rather than a buy-bust operation.
• The Arrest and Seizure: The team proceeded to the target area around 1:00 p.m. The informant introduced PO2 Molina to "Tony" as a friend. After approximately an hour of conversation, the suspect refused to sell Php100.00 worth of shabu but allegedly pulled out a small plastic sachet containing white crystalline substance from a towel, stating it was for his personal use. PO2 Molina then disclosed his identity as a police officer and arrested the suspect, who attempted to flee but was apprehended by the back-up team. The suspect was identified as petitioner Antonio Jocson y Cristobal.
• Handling of Evidence: PO2 Molina took custody of the plastic sachet and, together with the petitioner, returned to the SAID-SOTF office via a Starex van. At the office, the seized item was turned over to PO1 Del Mundo, the designated investigator, who marked the sachet with petitioner's initials "ACJ" in the presence of PO2 Molina. The Pre-Operation form did not reflect the suspect's surname, and no inventory or photographs of the seized item were prepared or taken, either at the place of seizure or at the police station.
• Laboratory Examination: SPO3 Rodel M. Castalone requested the PNP Eastern Police District Crime Laboratory to analyze the substance. PSI/Forensic Chemical Officer Annalee Ramos Forro issued a Physical Science Report confirming that the 0.05 gram of white crystalline granules tested positive for methamphetamine hydrochloride. PSI Forro's testimony was dispensed with by stipulation.
• Defense Evidence: Petitioner denied the charges and alleged frame-up. He testified that around 5:00 p.m., he was forced into a Starex van by men including PO2 Molina, brought to the DEU office, and frisked twice with nothing illegal found. He claimed he was detained for two days while police officers demanded Php20,000.00 for his release, and that PO2 Molina produced the sachet from a drawer to implicate him. His sister, Annaliza Jocson, corroborated the extortion attempt.

• Chain of Custody Deficiencies: Petitioner argued that the prosecution failed to establish an unbroken chain of custody, citing that the marking of the seized item was not done in his presence or at the place of seizure; no inventory or photographs were taken in the presence of the accused, his counsel, a media representative, a DOJ representative, or an elected official as required by law; and the police officer who brought the item to the crime laboratory was not presented as a witness.
• Nature of Review: While the Office of the Solicitor General contended that the petition raised factual issues unreviewable via certiorari, petitioner maintained that the errors involved the interpretation and application of the chain of custody rule, constituting questions of law.

• Factual Issues: The Office of the Solicitor General argued that the petition raised factual issues regarding the circumstances of the arrest and the handling of evidence, which are beyond the scope of a petition for review on certiorari under Rule 45.
• Integrity Preserved: Conceding that the chain of custody was not perfect, the OSG maintained that the identity, integrity, and evidentiary value of the seized drug had been duly preserved, as the arresting officers' testimonies sufficiently established the continuous custody of the item.
• Presumption of Regularity: The OSG argued that PO2 Molina's testimony established possession in flagrante delicto, and the presumption of regularity in the performance of official duty prevailed over petitioner's self-serving defense of frame-up.

• Chain of Custody Compliance: Whether the Court of Appeals erred in affirming the trial court's verdict of conviction despite the attendant procedural deficiencies relative to the marking, inventory, and photograph of the seized item.

• Chain of Custody Compliance: The Court of Appeals erred in affirming the conviction. The chain of custody was repeatedly breached: the seized drug was not marked immediately at the place of seizure but only at the police station by the investigating officer, exposing the item to switching or contamination during transit; no physical inventory was prepared despite the mandatory requirement under Section 21 of RA 9165; no photographs were taken of the seized item; and the investigating officer (PO1 Del Mundo) who received and marked the evidence was not presented to testify on his handling and custody of the item, breaking the second link in the chain. These cumulative lapses, unsupported by any justifiable grounds, rendered the identity and integrity of the corpus delicti uncertain.
• Saving Clause Inapplicability: The saving clause in the Implementing Rules and Regulations of RA 9165—which permits non-compliance under justifiable grounds provided the integrity and evidentiary value are preserved—did not apply because the apprehending team offered no explanation for the procedural deviations, and the record demonstrated that the integrity of the evidence was not preserved.
• Presumption of Regularity: The presumption of regularity in the performance of official functions could not substitute for compliance with the chain of custody rule or mend the broken links; it is a disputable presumption that cannot prevail over clear and convincing evidence of repeated breaches.

• Chain of Custody Rule: Defined as the duly recorded authorized movements and custody of seized drugs from the time of seizure/confiscation to receipt in the forensic laboratory, safekeeping, presentation in court, and destruction. The record must include the identity and signature of each person who held temporary custody, the date and time of transfer, and the final disposition.
• Four Links in the Chain: The prosecution must account for: (1) the seizure and marking of the illegal drug recovered from the accused by the apprehending officer; (2) the turnover of the illegal drug seized by the apprehending officer to the investigating officer; (3) the turnover by the investigating officer of the illegal drug to the forensic chemist for laboratory examination; and (4) the turnover and submission of the marked illegal drug seized by the forensic chemist to the court.
• Section 21 Requirements: The apprehending team must immediately after seizure physically inventory and photograph the drugs in the presence of the accused or the person/s from whom such items were confiscated, or his/her representative or counsel, a representative from the media and the Department of Justice, and any elected public official who shall be required to sign the copies of the inventory and be given a copy thereof.
• Saving Clause: Non-compliance with these requirements under justifiable grounds, as long as the integrity and the evidentiary value of the seized items are properly preserved by the apprehending officer/team, shall not render void and invalid such seizures of and custody over said items. However, the burden rests on the prosecution to prove the integrity of the evidence despite non-compliance.
• Presumption of Regularity: Under Section 3(m), Rule 131 of the Rules of Court, official duty has been regularly performed; however, this presumption cannot prevail over clear and convincing evidence to the contrary, such as demonstrated procedural lapses in the handling of evidence.

• "The metaphorical chain did not link at all, albeit it unjustly restrained petitioner's right to liberty."
• "Strict adherence to the chain of custody rule must be observed; the precautionary measures employed in every transfer of the seized drug item, proved to a moral certainty. The sheer ease of planting drug evidence vis-a-vis the severity of the imposable penalties in drugs cases compels strict compliance with the chain of custody rule."
• "As a method of authenticating evidence, the chain of custody rule requires that the admission of an exhibit be preceded by evidence sufficient to support a finding that the matter in question is what the proponent claims it to be. It would include testimony about every link in the chain, from the moment the item was picked up to the time it is offered into evidence, in such a way that every person who touched the exhibit would describe how and from whom it was received, where it was and what happened to it while in the witness' possession, the condition in which it was received and the condition in which it was delivered to the next link in the chain."
• "The presumption of regularity in the performance of official functions cannot substitute for compliance and mend the broken links. For it is a mere disputable presumption that cannot prevail over clear and convincing evidence to the contrary."

• Mallillin v. People, 576 Phil. 576 (2008) — Controlling precedent defining the chain of custody rule and the requirement of testimony for every link in the chain; followed.
• People v. Ramirez, G.R. No. 225690, January 17, 2018 — Cited for the principle that marking should be done in the presence of the apprehended violator immediately upon confiscation; followed to justify acquittal due to delayed marking.
• People v. Alagarme, 754 Phil. 449 (2015) — Cited for the principle that failure to prepare an inventory is a significant procedural lapse warranting acquittal; followed.
• People v. Arposeple, G.R. No. 205787, November 22, 2017 — Cited for the principle that failure to photograph the drug item weakens the chain of custody; followed.
• People v. Barte, 806 Phil. 533 (2017) — Cited for the rule that the drug itself constitutes the corpus delicti.

• Section 11, Article II, Republic Act No. 9165 (Comprehensive Dangerous Drugs Act of 2002) — Defines the offense of illegal possession of dangerous drugs.
• Section 21, Article II, Republic Act No. 9165 — Prescribes the custody and disposition of confiscated dangerous drugs, requiring immediate physical inventory and photography in the presence of specified witnesses.
• Section 21(a), Article II, Implementing Rules and Regulations of Republic Act No. 9165 — Elaborates on the inventory and photography requirements and provides the saving clause for non-compliance under justifiable grounds.
• Section 1(b), Dangerous Drugs Board Regulation No. 1, Series of 2002 — Defines "Chain of Custody."
• Section 3(m), Rule 131, Rules of Court — Presumption of regularity in the performance of official duty.

Antonio T. Carpio (Chairperson), Estela M. Perlas-Bernabe, Alfredo Benjamin S. Caguioa, and Jose Reyes, Jr.