People vs. Acosta

The plain view doctrine does not validate a warrantless seizure where the law enforcement officers, prior to their intrusion, already possessed information that incriminating evidence would be found at the location; the discovery must be inadvertent, and a tip that alerts officers to the specific contraband destroys inadvertence, rendering the seized items inadmissible as fruits of an unreasonable search.

On September 10, 2015, Alfredo Salucana went to the Gingoog City Police Station to report that Billy Acosta had mauled him with a piece of wood. In the same report, Salucana informed the police that Acosta was illegally planting marijuana at his residence in Purok 2, Barangay San Juan, Gingoog City. Acting on this dual report, a police team proceeded to Acosta’s home.

• Report of Mauling and Marijuana Cultivation: At around seven o’clock in the morning of September 10, 2015, Alfredo Salucana went to the Gingoog City Police Station and reported that Billy Acosta had mauled him with a piece of wood. In the same report, Salucana told the police that Acosta was illegally planting marijuana at his home in Purok 2, Barangay San Juan, Gingoog City. Salucana’s own testimony later confirmed that he had previously confronted Acosta about the marijuana plants and that the mauling was connected to the cultivation.

• Police Response and Arrest: Police Inspector Ismael Virgil O. Gundaya, SPO4 Henry B. Legaspi, SPO2 Jan Jomen, and PO3 Leo Pontillas proceeded to Acosta’s residence. Salucana accompanied them and positively identified Acosta while he was walking on the trail leading to his house. The officers rushed toward Acosta and arrested him before he could enter his home, grounding the arrest on the mauling complaint.

• Discovery and Seizure of Marijuana Plants: Immediately after the arrest, SPO4 Legaspi noticed thirteen hills of suspected marijuana plants planted beneath “gabi” plants just outside Acosta’s home, approximately one meter from where the arrest occurred. SPO4 Legaspi called Barangay Captain Rodulfo Maturan, Barangay Kagawad Danilo Macaraig, and Mrs. Joyce Donguines of the Farmer’s Association to witness the uprooting. Acosta and the uprooted plants were thereafter taken to the police station.

• Marking, Inventory, and Laboratory Examination: At the police station, the marijuana plants were marked and inventoried in the presence of Acosta, Barangay Captain Maturan, and Mrs. Donguines. SPO4 Legaspi delivered the seized items to Police Chief Inspector Joseph T. Esber of the PNP Regional Crime Laboratory, where examination confirmed they were marijuana, a dangerous drug. PCI Esber then turned over the specimens to the Evidence Custodian.

• Defense’s Version: Acosta denied the charges, claiming all accusations were fabricated. He challenged the admissibility of the marijuana plants, arguing that the plain view doctrine did not apply because Salucana had pointed out the plants, making the discovery purposeful rather than inadvertent. He further contended that the prosecution failed to present photographs of the marking and inventory, violating Section 21, Article II of RA 9165.

• Absence of Inadvertent Discovery: Acosta argued that the seizure could not be justified under the plain view doctrine because the police officers’ discovery of the marijuana plants was prompted by Salucana’s tip; they were already searching for the plants and their observation was not inadvertent.
• Chain of Custody Violation: Acosta maintained that the prosecution failed to present photographs of the marking and inventory, thereby violating Section 21 of RA 9165 and failing to establish the integrity of the seized evidence.

• Plain View Doctrine Applied: The prosecution contended that the marijuana plants were discovered inadvertently and in plain view during a lawful arrest: the officers had a right to be at the location, did not intentionally search for the plants, and immediately recognized them as marijuana due to their distinct foliar characteristics.
• Chain of Custody Established: The prosecution argued that all links in the chain of custody were sufficiently proved through testimonial and documentary evidence, thus preserving the identity and evidentiary value of the seized plants.
• Denial Cannot Prevail: The prosecution submitted that Acosta’s bare denial could not overcome the credible positive testimony of the prosecution witnesses.

• Inadvertent Discovery / Plain View Doctrine: Whether the warrantless seizure of the thirteen hills of marijuana plants was valid under the plain view doctrine despite the police officers’ prior knowledge that marijuana plants were being cultivated at Acosta’s residence.
• Admissibility of the Corpus Delicti: Whether the seized marijuana plants are admissible in evidence in light of the constitutional prohibition against unreasonable searches and seizures and the exclusionary rule.

• Inadvertent Discovery / Plain View Doctrine: The seizure was invalid. While the first and third requisites of the plain view doctrine were not seriously contested, the second requisite—that the discovery be inadvertent—was absent. The testimonies of P/Insp. Gundaya, SPO4 Legaspi, and Salucana itself demonstrated that the police officers proceeded to Acosta’s home already armed with Salucana’s report that Acosta was cultivating marijuana. Because the officers knew beforehand of the possible presence of the plants, they were effectively verifying an informant’s tip and their observation could not be characterized as inadvertent. The ruling in People v. Valdez was directly applied: the plain view doctrine does not apply when officers are dispatched to search for evidence or when their discovery is not inadvertent.

• Admissibility of the Corpus Delicti: Since the warrantless seizure did not fall under any recognized exception to the warrant requirement, the marijuana plants were obtained in violation of Section 2, Article III of the 1987 Constitution. Under Section 3(2), Article III, evidence derived from an unreasonable search or seizure is inadmissible as “fruit of the poisonous tree.” The marijuana plants constituted the very corpus delicti of the crime charged; without them, the prosecution could not prove the offense. Consequently, the conviction was set aside and Acosta was acquitted.

• Plain View Doctrine — Under this doctrine, an officer who has a right to be in a position to view an object may seize it without a warrant if three requisites concur: (a) the officer has a prior justification for an intrusion or is in a position from which the area can be viewed; (b) the discovery of the evidence in plain view is inadvertent; and (c) it is immediately apparent that the item observed may be evidence of a crime, contraband, or otherwise subject to seizure. The doctrine is inapplicable when officers are actively searching for evidence or where prior information removes the element of inadvertence. In this case, the police already knew that marijuana plants were being grown at Acosta’s residence, so the second requisite failed.

• Exclusionary Rule / Fruit of the Poisonous Tree — Section 3(2), Article III of the 1987 Constitution mandates that any evidence obtained in violation of the right against unreasonable searches and seizures shall be inadmissible for any purpose in any proceeding. Evidence seized without a valid warrant or a recognized exception is tainted and must be excluded as the proverbial fruit of a poisonous tree. The marijuana plants, having been seized without a valid warrant and outside the plain view exception, were excluded, resulting in acquittal.

• “The ‘plain view’ doctrine applies when the following requisites concur: (a) the law enforcement officer in search of the evidence has a prior justification for an intrusion or is in a position from which he can view a particular area; (b) the discovery of evidence in plain view is inadvertent; (c) it is immediately apparent to the officer that the item he observes may be evidence of a crime, contraband or otherwise subject to seizure.”
• “Thus, when the police officers proceeded to Acosta’s abode, they were already alerted to the fact that there could possibly be marijuana plants in the area. This belies the argument that the discovery of the plants was inadvertent.”
• “Verily, it could not be gainsaid that the discovery was inadvertent when the police officers already knew that there could be marijuana plants in the area. … [T]he seized marijuana plants are inadmissible in evidence against Acosta for being fruits of the poisonous tree.”

• People v. Lagman, 593 Phil. 617 (2008) — This case was cited for the full articulation of the three requisites of the plain view doctrine, which the Court applied as the governing standard.
• People v. Valdez, 395 Phil. 206 (2000) — Relied upon as directly controlling. In Valdez, the Court held that the plain view doctrine could not apply because the police team had been dispatched specifically to search for and uproot prohibited flora, rendering the discovery non-inadvertent. The same rationale dictated the outcome in Acosta.
• Sindac v. People, 794 Phil. 421 (2016) — Cited for the principles that an appeal in a criminal case throws the entire case open for review, and that evidence obtained from an unreasonable search and seizure constitutes inadmissible fruit of the poisonous tree under the exclusionary rule.

• Section 2, Article III, 1987 Constitution — Guarantees the right against unreasonable searches and seizures and requires a warrant based on probable cause. The warrantless seizure was tested against this provision, and the Court determined that no valid exception justified the intrusion.
• Section 3(2), Article III, 1987 Constitution — The exclusionary rule rendering evidence obtained in violation of the right against unreasonable searches and seizures inadmissible for any purpose in any proceeding. Applied to exclude the seized marijuana plants, the corpus delicti of the offense.
• Section 16, Article II, Republic Act No. 9165 — The provision penalizing the illegal planting and cultivation of marijuana. The prosecution failed to prove the offense with admissible evidence.

Carpio, Senior Associate Justice (Chairperson), Caguioa, J. Reyes, Jr., and Hernando, JJ., concurred.