People vs. Nuarin

In prosecutions for illegal sale of dangerous drugs, the prosecution must positively establish the identity and integrity of the seized drug — the corpus delicti — by proving an unbroken chain of custody from the moment of confiscation to its presentation in court. The immediate marking of the seized items in the presence of the accused is the starting point of that chain, and strict compliance with the inventory and photographing requirements under Section 21 of R.A. No. 9165 is indispensable absent justifiable grounds. Lapses in these safeguards create reasonable doubt and compel acquittal.

On February 2, 2003, members of the District Drug Enforcement Group of the Central Police District conducted a buy-bust operation in Barangay Old Balara, Quezon City. The target was Sonia Bernel Nuarin. Police Officer 1 Roberto Manalo acted as poseur-buyer. According to the police, Nuarin sold a sachet of shabu for ₱100.00 to Manalo, and two more sachets were recovered from her coin purse after a search incident to the arrest. Nuarin denied the sale and claimed the police entered her home without finding contraband, then demanded ₱40,000.00 for her release. The prosecution charged her with illegal sale and illegal possession of dangerous drugs under R.A. No. 9165.

• The Alleged Buy-Bust Operation: On February 2, 2003, at around 12:30 p.m., a team composed of PO1 Roberto Manalo, PO1 Filnar Mutia, PO3 Cleto Montenegro, PO3 Eduardo Datul, and PO3 Rommel Bautista proceeded to Barangay Old Balara, Quezon City, based on information regarding appellant Sonia Bernel Nuarin. An informant introduced PO1 Manalo to Nuarin; Manalo expressed a desire to purchase ₱100.00 worth of shabu. Nuarin handed over one plastic sachet containing white crystalline substance, and Manalo gave her the marked money. After executing the prearranged signal, the other officers approached. PO1 Mutia searched Nuarin and found two more plastic sachets inside her coin purse. Nuarin and the seized items were brought to the police station.

• The Defense Account: Nuarin testified that she was at home with her son and two friends after lunch when PO3 Montenegro, PO1 Mutia, and two others arrived looking for a person named “Bogart.” When she denied knowledge, the officers entered and searched the premises for about an hour without finding anything incriminatory. They then brought her and the other occupants to Camp Karingal in Quezon City, where they demanded ₱40,000.00 in exchange for her release. When the money was not produced, the police officers filed charges against her.

• The Trial and Appellate Decisions: The RTC gave credence to the prosecution’s evidence and convicted Nuarin of illegal sale of shabu, holding that the elements of the crime were established and that the police officers were presumed to have regularly performed their duties. The RTC acquitted her of illegal possession. The CA affirmed in toto, finding that the integrity and evidentiary value of the seized shabu had been preserved and that the positive identification by the poseur-buyer overcame the defense of denial.

• Failure to Prove a Buy-Bust Operation: Appellant maintained that the prosecution did not sufficiently establish that a legitimate buy-bust operation took place.

• Broken Chain of Custody: Appellant argued that the chain of custody over the seized shabu was broken, thereby rendering the identity and integrity of the corpus delicti unreliable and the conviction invalid.

• Sufficiency of Evidence of the Sale: The Office of the Solicitor General countered that the prosecution had adequately established all the elements of a consummated sale of shabu between the appellant as seller and the poseur-buyer.

• Non-presentation of Witnesses and Evidence Not Fatal: The OSG maintained that the failure to present the original marked money, the forensic chemist, the informant, or the marked money itself in court was not fatal to the prosecution’s case for illegal sale.

• Identity and Integrity of the Corpus Delicti: Whether the prosecution established an unbroken chain of custody over the seized shabu, particularly with respect to the immediate marking of the sachets and the handling of the specimen from the police station to the crime laboratory.

• Compliance with Section 21, R.A. No. 9165: Whether the apprehending officers’ failure to conduct a physical inventory and photograph the seized items in the presence of the required witnesses rendered the seizure and custody of the drugs invalid and created reasonable doubt.

• Presumption of Regularity: Whether the presumption that official duties were regularly performed applied despite the demonstrated procedural lapses committed by the buy-bust team.

• Identity and Integrity of the Corpus Delicti: The prosecution failed to prove an unbroken chain of custody over the drug because the evidence on the marking of the seized sachets was irreconcilably conflicting and the marking was not shown to have been done in the accused’s presence. PO1 Manalo first testified that the desk officer marked the sachets with “RM,” but later claimed that he himself placed the markings. This uncertainty as to who made the initial markings at the first opportunity undermined the integrity of the seized items from the very start of the chain. Further, the identity of the desk officer was never disclosed, and PO1 Manalo could not recall who transported the specimen to the PNP Crime Laboratory. The parties’ stipulation on the forensic chemist’s testimony merely recited that he received, tested, and found the specimen positive for shabu; it did not establish the identity of the item presented in court as the same item seized from the appellant. Thus, the prosecution did not prove that the illegal drug offered as evidence was the one actually recovered from Nuarin.

• Compliance with Section 21, R.A. No. 9165: There was no compliance with the mandatory procedure under Section 21, paragraph 1, Article II of R.A. No. 9165 and its Implementing Rules. PO1 Manalo admitted that the buy-bust team did not conduct a physical inventory or photograph the seized sachets, either at the place of seizure or at the police station, and no justifiable ground was offered for the omission. Because dangerous drugs are indistinct and easily susceptible to tampering or substitution, strict adherence to the witness and documentation requirements is required; the wholesale failure to do so compounded the uncertainty surrounding the seized items.

• Presumption of Regularity: The presumption of regularity in the performance of official duties could not be relied upon to cure the lapses. The numerous and significant procedural deficiencies — the broken chain of custody, the failure to mark properly, the absence of an inventory and photographs, the lack of coordination with the Philippine Drug Enforcement Agency or barangay officials — all effectively negated the presumption. Instead, these lapses, when considered alongside the defense of frame-up and extortion, produced serious doubts about the integrity and identity of the corpus delicti that required acquittal.

• Chain of Custody Rule — “Chain of custody” is defined under Dangerous Drugs Board Regulation No. 1, Series of 2002 as “the duly recorded authorized movements and custody of seized drugs or controlled chemicals or plant sources of dangerous drugs or laboratory equipment of each stage, from the time of seizure/confiscation to receipt in the forensic laboratory to safekeeping to presentation in court for destruction.” The ruling reiterates that the prosecution must account for the custody of the seized drug at every stage; any significant gap that raises doubt about the identity of the evidence breaks the chain and is fatal to conviction.

• Marking Requirement as the Starting Point of Custodial Link — “Marking” means the placing by the apprehending officer or poseur-buyer of his or her initials and signature on the item immediately upon seizure. It is the starting point of the custodial chain and must be done (1) in the presence of the apprehended violator and (2) immediately upon confiscation (whether at the place of seizure or the nearest police station). Succeeding handlers use these initial markings as reference; without reliable, simultaneous marking, the safety of the evidence from switching, planting, or contamination cannot be assured.

• Strict Compliance with Section 21, R.A. No. 9165 — The physical inventory and photographing of seized drugs must be conducted immediately after seizure and confiscation in the presence of (a) the accused or his/her representative or counsel, (b) a representative from the media, (c) a representative from the Department of Justice, and (d) any elected public official. Non-compliance, absent justifiable grounds, renders the seized items inadmissible and fails to establish the corpus delicti, mandating acquittal. The unique character of dangerous drugs — indistinct, not readily identifiable, and easily open to tampering — demands strict observance of these procedural safeguards.

• Presumption of Regularity Negated by Procedural Lapses — When the totality of procedural lapses in handling seized drugs casts serious doubt on the integrity and identity of the corpus delicti, the presumption that police officers regularly performed their duties is unavailable. Any taint of irregularity affects the whole performance and deprives the prosecution of the presumption.

• “Marking after seizure is the starting point in the custodial link; hence, it is vital that the seized contraband be immediately marked because succeeding handlers of the specimens will use the markings as reference. The marking of the evidence serves to separate the marked evidence from the corpus of all other similar or related evidence from the time they are seized from the accused until they are disposed of at the end of the criminal proceedings, thus preventing switching, ‘planting,’ or contamination of evidence.”

• “In the present case, the prosecution’s lone witness, PO1 Manalo, gave conflicting statements as to who marked the seized sachets. … We point out that succeeding handlers of the specimen will use the initial markings as reference. If at the first instance or opportunity, there are already doubts on who really placed the markings on the seized sachets (or if the markings were made in accordance with the required procedure), serious uncertainty hangs over the identification of the seized shabu that the prosecution introduced into evidence.”

• “The courts a quo erred in giving weight to the presumption of regularity in performance that a police officer enjoys in the absence of any taint of irregularity and of ill motive that would induce him to falsify his testimony. The regularity of the performance of the police officers’ duties leaves much to be desired in this case given the lapses in their handling of the allegedly confiscated shabu. … Any taint of irregularity affects the whole performance and should make the presumption unavailable.”

• People v. Denoman, G.R. No. 171732, August 14, 2009 — Cited for the principle that in drug cases the identity and integrity of the corpus delicti must be preserved, requiring proof that the drug presented in court is the same item seized from the accused.

• People v. Sanchez, 590 Phil. 214 (2008) — Relied upon for the rule that marking must be done immediately upon confiscation in the presence of the apprehended violator to initiate the process of protecting innocent persons from dubious searches and protecting officers from claims of planting evidence.

• People v. Palomares y Costuna, G.R. No. 200915, February 12, 2014 — Applied to justify acquittal where the prosecution failed to clearly establish the identity of the person who marked the seized drugs, the place of marking, and whether it was done in the accused’s presence.

• People v. Casabuena, G.R. No. 186455, November 19, 2014 — Followed; the Court acquitted the accused for the police’s failure to make an inventory and photograph the seized shabu, underscoring the need for strict compliance due to the drug’s easily tampered nature.

• People v. Caranto y Propeta, G.R. No. 193768, March 5, 2014 — Cited to support the conclusion that procedural lapses negate the presumption of regularity in the performance of official duties.

• Section 5, Article II, Republic Act No. 9165 — Defines and penalizes the illegal sale, trading, administration, dispensation, delivery, distribution, and transportation of dangerous drugs. The prosecution must prove the identities of the buyer and seller, the transaction, and the existence of the corpus delicti.

• Section 21, paragraph 1, Article II, Republic Act No. 9165 and Section 21(a), Article II of its Implementing Rules and Regulations — Require the apprehending team to conduct a physical inventory and photograph the seized drugs immediately after confiscation in the presence of the accused, a media representative, a Department of Justice representative, and an elected public official. Non-compliance may be excused only upon a showing of justifiable grounds and provided the integrity and evidentiary value of the seized items are preserved.

• Dangerous Drugs Board Regulation No. 1, Series of 2002 — Defines “chain of custody” and outlines the documentary and procedural standards for handling seized dangerous drugs from confiscation to presentation in court.

Associate Justice Antonio T. Carpio (Chairperson), Associate Justice Mariano C. Del Castillo, Associate Justice Martin S. Villarama, Jr. (designated Acting Member in lieu of Associate Justice Jose C. Mendoza), and Associate Justice Marvic M.V.F. Leonen.