Carino vs. People of the Philippines

In prosecutions for illegal possession of dangerous drugs, the identity of the prohibited drug must be established beyond doubt through an unbroken chain of custody; failure to present key witnesses who handled the evidence and non-compliance with the statutory procedures for inventory and photography under R.A. No. 9165 negate the presumption of regularity and warrant acquittal.

On 20 June 2003, members of the Central Police District-Galas Police Station 11 conducted "Oplan Sita," an operation targeting robbery along G. Araneta and E. Rodriguez Avenues in Quezon City. During this operation, petitioners Ronald Carino and Rosana Andes were separately apprehended without a warrant. PO1 Eugenio spotted Carino holding a plastic sachet suspected to contain shabu. Upon arrest, Carino identified Andes as the source. When approached, Andes allegedly inserted a sachet into her 5-year-old child's pocket, which was then recovered by PO1 Tayaban.

• The Apprehension: On 20 June 2003, an eight-man police team conducted "Oplan Sita." At around 2:00 PM, PO1 Eugenio spotted Ronald Carino holding a plastic sachet approximately a meter away. Carino was immediately arrested; the sachet allegedly dropped, and Eugenio picked it up. Carino identified Rosana Andes as the source of the drug.
• Andes' Arrest: The team proceeded to Banawe Avenue where Andes was located. Upon introducing themselves, Andes allegedly became hysterical and inserted something into her 5-year-old son's pocket. PO1 Tayaban inspected the pocket and recovered another plastic sachet.
• Marking and Custody: Petitioners were taken to the Galas Police Station. The sachets were submitted to the desk officer and then to the station investigator, who marked them "JT-RA" and "AE-RC" in Tayaban's presence, but not in the presence of the petitioners.
• Laboratory Results: The items were submitted to the CPD Crime Laboratory. Forensic analyst Engineer Jabonillo issued Chemistry Report No. D-502-2003 indicating the specimens tested positive for methamphetamine hydrochloride. Jabonillo did not testify in court.
• Petitioners' Version: Carino claimed he was grabbed on his way to work, not frisked, and saw Tayaban pull the sachet from his own pocket. He alleged he was mauled at the station. Andes claimed she was merely asked to identify Carino and was taken to the station where both she and Carino were frisked, but nothing was found. She alleged extortion of ₱10,000.00 for their release.

• Inconsistencies in Testimony: Petitioners argued that the testimonies of prosecution witnesses PO1 Tayaban and PO1 Eugenio contained material inconsistencies.
• Chain of Custody and Admissibility: Petitioners maintained that the drug specimens were inadmissible because the prosecution failed to establish the chain of custody, specifically highlighting the failure of the forensic chemist to testify in court.

• Credibility of Witnesses: Respondent countered that the alleged inconsistencies were minor and that the trial court had already accorded credibility to the prosecution witnesses.
• Presumption of Regularity: Respondent argued that petitioners' defense of frame-up was self-serving and must yield to the presumption that police officers regularly performed their duty.
• Stipulation on Chemist Testimony: Respondent maintained that the parties had stipulated at the pre-trial to dispense with the forensic chemist's testimony, agreeing that the specimens were submitted and the results reduced to a written report.

• Chain of Custody: Whether the prosecution established the identity of the dangerous drug beyond reasonable doubt through an unbroken chain of custody.
• Compliance with Statutory Procedures: Whether the failure of the apprehending officers to comply with the inventory and photography requirements under Section 21 of R.A. No. 9165 and its implementing rules affects the admissibility and integrity of the evidence.
• Presumption of Regularity: Whether the presumption of regularity in the performance of official duty applies despite procedural lapses in handling the seized drugs.

• Chain of Custody: The identity of the dangerous drug was not established beyond reasonable doubt. Only the apprehending officers testified; the desk officer, the investigator who marked the items, and the forensic chemist were not presented. The pre-trial order did not reflect a stipulation dispensing with the chemist's testimony. The gaps in the chain created reasonable doubt as to the identity of the corpus delicti.
• Compliance with Statutory Procedures: The apprehending officers failed to comply with Section 21 of R.A. No. 9165 and its implementing rules. The physical inventory and photograph were not conducted immediately after seizure in the presence of the required witnesses. The markings were made at the police station, not at the place of seizure, and not in the presence of the accused.
• Presumption of Regularity: The presumption of regularity does not apply where the official act is irregular on its face. The failure to observe the mandated procedures for handling seized drugs negates the presumption of regularity, especially since the prosecution did not even show reasonable efforts to comply.

• Chain of Custody in Drug Cases — 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, and presentation in court for destruction. It requires testimony about every link in the chain, ensuring that the evidence presented is the same as that seized from the accused. In drug cases, an unbroken chain is indispensable because narcotic substances are not readily identifiable and are susceptible to tampering, alteration, or substitution. The level of strictness in applying the chain of custody rule is dictated by the exhibit's level of susceptibility to fungibility, alteration, or tampering.
• Presumption of Regularity vs. Statutory Non-Compliance — The presumption of regularity in the performance of official duty obtains only where nothing in the records suggests that law enforcers deviated from standard conduct prescribed by law. Where the official act is irregular on its face, such as failure to comply with Section 21 of R.A. No. 9165, an adverse presumption arises, and the presumption of regularity cannot be relied upon.

• "The dangerous drug itself constitutes the very corpus delicti of the offense and the fact of its existence is vital to a judgment of conviction. In these cases, it is therefore essential that the identity of the prohibited drug be established beyond doubt."
• "The exhibit’s level of susceptibility to fungibility, alteration or tampering—without regard to whether the same is advertent or otherwise not—dictates the level of strictness in the application of the chain of custody rule."
• "The presumption of regularity in the performance of official duty must be seen in the context of an existing rule of law or statute authorizing the performance of an act or duty or prescribing a procedure in the performance thereof... But where the official act in question is irregular on its face, an adverse presumption arises as a matter of course."

• Mallillin v. People, G.R. No. 172953, April 30, 2008 — Followed. Declared that failure to offer testimony of key witnesses to establish a sufficiently complete chain of custody of a specimen of shabu, and irregularity in handling evidence, fatally conflict with propositions relative to culpability.
• People v. Obmiranis, G.R. No. 181492, December 16, 2008 — Followed. Same holding as Mallillin.
• People v. Garcia, G.R. No. 173480, February 25, 2009 — Followed. Same holding as Mallillin.
• Graham v. State, 255 N.E.2d 652 — Cited. Held that unless the state can show by records or testimony the continuous whereabouts of the exhibit at least between the time it came into police possession until it was tested, testimony as to laboratory findings is inadmissible.

• Section 11, Article II, Republic Act No. 9165 — The crime charged (Illegal Possession of Dangerous Drugs).
• Section 21, Republic Act No. 9165 — Requires the apprehending team to immediately physically inventory and photograph seized drugs in the presence of the accused, counsel, media, DOJ, and elected public official. The Court found non-compliance with this section.
• Section 21, Implementing Rules and Regulations of R.A. No. 9165 — Provides similar inventory and photography requirements, allowing for non-compliance only under justifiable grounds where integrity and evidentiary value are preserved.
• Section 2, Dangerous Drugs Board Regulation No. 1, Series of 2002 — Requires immediate inventory and photograph after seizure in the presence of required witnesses.

Leonardo A. Quisumbing (Chairperson), Conchita Carpio Morales, Presbitero J. Velasco, Jr., Arturo D. Brion.