People vs. Alcuizar

Strict compliance with the chain of custody rule is required when a search warrant is implemented, and the failure to mark seized dangerous drugs immediately upon confiscation—coupled with unexplained gaps in the transfer of custody and non-compliance with the inventory and photography requirements of Section 21 of Republic Act No. 9165—compromises the identity and integrity of the corpus delicti, warranting acquittal.

Police officers secured a search warrant for the house of Alberto Bacus Alcuizar based on suspicions of selling and possessing shabu. On June 15, 2003, the officers first conducted a buy-bust operation where a poseur buyer exchanged marked money for shabu with Alcuizar. Upon consummation of the sale, Alcuizar fled to his parents' house where he was apprehended. The officers then implemented the search warrant at his residence, allegedly recovering several heat-sealed plastic packs containing white crystalline substance, along with drug paraphernalia. The items were taken to the police station, where they were marked and subsequently delivered to the crime laboratory, testing positive for methamphetamine hydrochloride.

• The Search and Seizure: On June 15, 2003, police officers implemented a search warrant at the residence of Alberto Bacus Alcuizar after a prior buy-bust operation. SPO1 Agadier testified that the seized items—including one big heat-sealed pack, 26 smaller decks, and tin foils with shabu residue—were found inside the appellant's house.
• Inventory and Marking: An inventory receipt was prepared inside the house and signed by a barangay captain, a barangay tanod, and photographers. The items were not marked at the scene; SPO1 Agadier marked them only upon reaching the police station. No photographs of the seized items were presented in evidence, and a copy of the inventory receipt was not provided to the appellant or his family.
• Witness Testimony on Search: The barangay tanod testified that he and the barangay captain arrived late, after the police officers had already entered the house. Upon arrival, the alleged shabu was already on a table. He was merely asked to sign the inventory receipt to attest to his presence, without witnessing how the items were discovered or recovered.
• Transfer of Custody: SPO1 Agadier stated that he turned the items over to SPO1 Navales, who entered them in the police blotter and then turned them back to Agadier for marking. Agadier then prepared a request for laboratory examination, and SPO1 Navales delivered the items and request to the PNP Crime Laboratory. SPO1 Navales did not testify to confirm this chain of transfer.

• Corpus Delicti and Chain of Custody: Appellant argued that the prosecution failed to prove the corpus delicti because the chain of custody of the seized drugs was unreliable, pointing to the failure of police officers to mark the evidence immediately after confiscation.
• Double Jeopardy: Appellant contended that his conviction for illegal possession constitutes double jeopardy, given his prior acquittal for illegal sale involving the same drug transaction.
• Police Motive: Appellant asserted that the trial court failed to consider evidence of improper motive on the part of the police officers, suggesting the evidence was planted.
• Reasonable Doubt: Appellant maintained that the prosecution failed to prove his guilt beyond reasonable doubt.

• Presumption of Possession: The People, as affirmed by the Court of Appeals, relied on the presumption that when prohibited drugs are found in a house belonging to and occupied by a particular person, such person is in possession of those drugs in violation of the law.

• Chain of Custody: Whether the failure of the apprehending officers to mark the seized dangerous drugs immediately upon confiscation, and their non-compliance with the inventory and photography requirements under Section 21 of Republic Act No. 9165, creates gaps in the chain of custody that compromise the corpus delicti.
• Presumption of Possession: Whether the presumption that a person possesses drugs found in their house can sustain a conviction despite serious doubts regarding the identity and integrity of the seized drugs due to a broken chain of custody.

• Chain of Custody: The chain of custody was broken, warranting acquittal. A first gap was created by the failure to mark the seized items immediately upon confiscation; marking at the police station is only excusable in warrantless searches, not when a search warrant was secured in advance. A second gap arose from non-compliance with Section 21 of Republic Act No. 9165: no photographs were presented, no copy of the inventory receipt was given to the accused, and the barangay tanod testified he did not witness the actual search and recovery. A third gap resulted from the vague recollection of SPO1 Agadier regarding the transfer of custody and the failure of SPO1 Navales to testify, leaving the handling of the items while in transit unaccounted for.
• Presumption of Possession: The presumption of possession was deemed rebutted by the substantial doubts surrounding the identity and integrity of the corpus delicti. Because no other witnesses corroborated the police officers' account of the recovery, the presumption could not override the significant gaps in the chain of custody.

• Chain of Custody Rule — Requires testimony about every link in the chain, from the moment the item is picked up to the time it is offered into evidence, ensuring that every person who touched the exhibit describes how and from whom it was received, where it was, and what happened to it while in their possession. The rule mandates that marking of seized items be done in the presence of the apprehended violator immediately upon confiscation to initiate the process of protecting innocent persons from dubious searches and protecting apprehending officers from harassment suits.
• Corpus Delicti in Drug Cases — The dangerous drug itself constitutes the very corpus delicti of the offense. Because dangerous drugs are indistinct, not readily identifiable, and easily open to tampering, the identity and integrity of the corpus delicti must definitely be shown to have been preserved; the illegal drug presented in court must be the same drug actually recovered from the accused.
• Presumption of Possession — When prohibited drugs are found in a house or building belonging to and occupied by a particular person, such person is presumed to be in possession of such drugs. However, this presumption is not conclusive and may be rebutted by contrary evidence, such as serious doubts regarding the identity of the seized drugs.

• "The dangerous drug itself, the shabu in this case, constitutes the very corpus delicti of the offense and in sustaining a conviction under Republic Act No. 9165, the identity and integrity of the corpus delicti must definitely be shown to have been preserved. This requirement necessarily arises from the illegal drug's unique characteristic that renders it indistinct, not readily identifiable, and easily open to tampering, alteration or substitution either by accident or otherwise."
• "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."
• "While the rule allows marking of evidence to be done in the nearest police station, this contemplates a case of warrantless searches and seizures. In this case, the police officers were able to secure a search warrant prior to their operation. ... Thus, failure to comply with the marking of evidence immediately after confiscation constitutes a first gap in the chain of custody."

• People v. Garcia, G.R. No. 173480 (25 February 2009) — Followed. Cited to enumerate cases detailing the legal repercussions of failing to comply with Section 21 of Republic Act No. 9165, emphasizing that deviations from standard anti-narcotics procedures produce doubts as to the origins of the seized drugs.
• Lopez v. People, G.R. No. 184037 (29 September 2009) — Followed. Cited for the rule that the chain of custody requires testimony about every link in the chain to ensure the evidence presented in court is the same as that seized from the accused.
• Dolera v. People, G.R. No. 180693 (4 September 2009) — Distinguished. Cited for the proposition that marking at the nearest police station is allowed only in cases of warrantless searches and seizures, which did not apply here because a search warrant was secured.

• Section 11, Article II, Republic Act No. 9165 — Defines the crime of illegal possession of dangerous drugs, for which the appellant was charged and initially convicted.
• Section 21, Article II, Republic Act No. 9165 — Prescribes the procedure for the custody and disposition of confiscated dangerous drugs, requiring the apprehending team to immediately inventory and photograph the items in the presence of the accused, representatives from the media, the DOJ, and an elected public official. Non-compliance does not automatically invalidate the seizure if the integrity and evidentiary value of the items are preserved, which the Court found was not demonstrated here.

Chief Justice Renato C. Corona, Associate Justice Presbitero J. Velasco, Jr., Associate Justice Teresita J. Leonardo-De Castro, Associate Justice Mariano C. Del Castillo.