Office of the Court Administrator vs. Guico, Jr.

Evidence derived from an illegal warrantless arrest, search, or seizure — including a drug test result obtained pursuant to Section 38 of R.A. No. 9165 as a consequence of such illegal apprehension — is inadmissible not only in criminal proceedings but also in administrative proceedings against a court employee, as it constitutes a "fruit of the poisonous tree" under the Constitution's exclusionary rule.

Hermogenes M. Guico, Jr. was a Clerk III in the Office of the Clerk of Court of the Regional Trial Court, Batangas City, under Atty. Jose C. Corales, the Clerk of Court VI of the same office. The administrative case originated from a letter by Atty. Corales to the Office of the Court Administrator seeking guidance on the proper course of action after a criminal case was filed against Guico for violation of R.A. No. 9165. The Court exercises administrative supervision over all court personnel pursuant to Article VIII, Section 6 of the Constitution, and the OCA acts as the Court's arm in investigating and recommending disciplinary action against erring judiciary employees.

Late in the evening of September 21, 2011, officers of the Batangas City Police Station responded to a shooting incident involving a suspect known by the alias "Apaw." Knowing Apaw's residence to be in Villa Anita, Barangay Sta. Clara, Batangas City, the police proceeded there to form a "blocking force" in hopes of intercepting him. While the police were stationed at the area, Guico rode his motorcycle out of Villa Anita and, despite being accosted by the officers, sped past. The police gave chase until Guico's motorcycle toppled over; he then fled on foot and was apprehended. Police Officer 1 Rudy C. Añonuevo, Jr. asked Guico to identify himself, and Guico stated he was a government employee. PO1 Añonuevo then frisked Guico for weapons or illegal items, yielding a packet believed to be shabu, two pieces of aluminum foil, and two disposable lighters.

The police requested a laboratory examination on the seized substance, and the forensic chemist confirmed the specimen tested positive for methamphetamine hydrochloride. The following day, September 22, 2011, a Request for Drug Test was issued, addressed to the Provincial Crime Laboratory Office, to test Guico "who was arrested on or about 11:30 PM, 21 September 2011 at Brgy. Sta. Clara, Batangas City for Violation of Section 11, Article II of Republic Act 9165." Guico tested positive for shabu use.

On September 23, 2011, the Assistant City Prosecutor of Batangas City charged Guico before the RTC-Batangas City with violation of Article II, Section 11 of R.A. No. 9165 (possession of dangerous drugs) in Criminal Case No. 17123. The Information alleged that on or about September 21, 2011, at around 11:30 in the evening at Barangay Sta. Clara, Batangas City, Guico, not being authorized by law, knowingly, willfully, and criminally possessed one heat-sealed transparent plastic sachet containing methamphetamine hydrochloride weighing 0.06 gram. On the same date, Atty. Corales wrote the OCA requesting instructions on the proper course of action regarding the criminal case filed against Guico.

Branch 7 of the RTC-Batangas City convicted Guico on October 22, 2014, sentencing him to imprisonment of twelve years and one day as minimum to fourteen years as maximum, and a fine of ₱300,000. On appeal, the Court of Appeals reversed the conviction on April 22, 2016, acquitting Guico on the ground of reasonable doubt. The CA ruled that the substance seized from Guico was inadmissible because he was apprehended and searched without a warrant and without probable cause, as the officers' blocking force was formed to intercept Apaw, not drug violators, and Guico's flight was erroneously appreciated as guilt. The CA did not rule on the admissibility of the drug test result, as the appeal concerned only the charge of illegal possession under Section 11. The OCA thereafter recommended that Guico be found guilty of grave misconduct and dismissed from the service, premising his administrative liability on the positive drug test result. Guico also wrote the Court a letter dated September 28, 2020, manifesting his intention to retire from service and withdrawing his request for reinstatement.

• Administrative Liability Based on Drug Use: The OCA argued that Guico could be held administratively liable for grave misconduct based on his positive drug test result, notwithstanding that only a criminal case for illegal possession was filed against him. The OCA maintained that the fact remained that Guico was found positive for drug use, and he could still be held liable for any flagrant violation of the law arising from the facts in the criminal case.
• Recommended Penalty: The OCA recommended that Guico be dismissed from the service with cancellation of eligibility, forfeiture of retirement benefits except accrued leave credits, and perpetual disqualification from holding public office, pursuant to Section 46(A)(3), Rule 10 of the Revised Rules for Administrative Cases in the Civil Service.

• Admissibility of Drug Test Result: Whether Guico's positive drug test result may be used against him in administrative proceedings, given that it was obtained as a consequence of his illegal warrantless arrest, search, and seizure.
• Administrative Liability: Whether Guico may be held administratively liable for grave misconduct on the basis of his positive drug test result.

• Admissibility of Drug Test Result: No. The positive drug test result was inadmissible as a "fruit of the poisonous tree," being fairly traceable to Guico's illegal warrantless arrest, search, and seizure, and the constitutional exclusionary rule applies to any proceeding, including administrative cases.
• Administrative Liability: No. Guico was absolved of any administrative liability because the sole basis for the OCA's recommendation — the positive drug test result — was inadmissible evidence derived from an illegal arrest, search, and seizure.

• Admissibility of Drug Test Result: Article III, Section 2 of the Constitution guarantees the right against unreasonable searches and seizures, and Article III, Section 3(2) provides that any evidence obtained in violation thereof "shall be inadmissible for any purpose in any proceeding." The phrase "any evidence" and "any proceeding" evinces the Framers' intent not to limit the exclusionary rule to evidence directly obtained from the illegal search, but to extend it to all evidence fairly traceable to the illegal act. The Court applied the "fruit of the poisonous tree" doctrine, as articulated in People vs. Alicando, which excludes not only evidence directly obtained from an unlawful search or seizure but also secondary or derivative evidence originating therefrom. Guico's drug test was conducted pursuant to Section 38 of R.A. No. 9165, which requires laboratory examination on persons apprehended or arrested for violating the Act. The Request for Drug Test expressly stated it was for Guico "who was arrested on or about 11:30 PM, 21 September 2011 at Brgy. Sta. Clara, Batangas City for Violation of Section 11, Article II of Republic Act 9165." The CA had already ruled the arrest, search, and seizure illegal for lack of probable cause. Because the drug test was a direct consequence of the illegal apprehension, its positive result was tainted and inadmissible. The Court distinguished this case from People vs. Fatallo and People vs. Angeles, where the exclusionary rule applied was statutory (Section 21, R.A. No. 9165); here, the exclusionary rule is Constitutionally enjoined, making its application even more compelling.

• Administrative Liability: The OCA's recommendation to find Guico guilty of grave misconduct was premised solely on his positive drug test result. Since that result was inadmissible as a fruit of the poisonous tree, no incriminating evidence remained to support administrative liability. The Court acknowledged that an admitted drug user has no place in the Judiciary, citing Office of the Court Administrator vs. Reyes, but emphasized that the Court "cannot be the first to run roughshod upon the cherished rights of the people enshrined in the Constitution." Criminal or administrative prosecution must be the last resort in the drive to purge the Judiciary's ranks; the first line of defense must be filtering competent employees and preventive measures such as random drug testing under Supreme Court Memorandum Order No. 18-05 and Administrative Circular No. 21-06.

• Fruit of the Poisonous Tree Doctrine — Under this doctrine, once the primary source (the "tree") is shown to have been unlawfully obtained, any secondary or derivative evidence (the "fruit") derived from it is also inadmissible. Illegally seized evidence is obtained as a direct result of the illegal act, whereas the "fruit of the poisonous tree" is the indirect result of the same illegal act. The fruit is at least once removed from the illegally seized evidence but is equally inadmissible. The rule is based on the principle that evidence illegally obtained by the State should not be used to gain other evidence because the originally illegally obtained evidence taints all evidence subsequently obtained. In this case, the doctrine was applied to exclude Guico's positive drug test result, which was the indirect result of his illegal warrantless arrest, search, and seizure. The seized methamphetamine was the "poisoned tree," and the drug test result was its "tainted fruit."

• Constitutional Exclusionary Rule — Article III, Section 3(2) of the 1987 Constitution provides that any evidence obtained in violation of the right against unreasonable searches and seizures "shall be inadmissible for any purpose in any proceeding." The phrase "any evidence" and "any proceeding" means the exclusionary rule applies not only to criminal cases but also to administrative proceedings, and not only to directly seized evidence but to all derivative evidence fairly traceable to the illegal search or seizure. The Court held that this constitutional exclusionary rule is even more compelling than the statutory exclusionary rule under Section 21 of R.A. No. 9165, as applied in Fatallo and Angeles.

• "The poisoned tree and its tainted fruits are 'inadmissible for any purpose in any proceeding.'" — This passage applies the constitutional exclusionary rule to administrative proceedings, confirming that the fruit of the poisonous tree doctrine is not limited to criminal cases but extends to all proceedings including administrative matters against court personnel.

• "Analogously, Guico's positive result for use of methamphetamine hydrochloride may not be used against him, being the indirect result of his illegal arrest, search and seizure. The drug test was premised on his supposed violation of Article II, Section 11 (possession of dangerous drugs) of R.A. No. 9165, for which he was acquitted since the methamphetamine hydrochloride seized therefor was rendered inadmissible. Moreover, Fatallo and Angeles concerned only statutory exclusionary rules of evidence, whereas the present exclusionary rule is Constitutionally-enjoined." — This passage articulates the ratio decidendi: the drug test result is inadmissible because it is an indirect product of an illegal arrest, and the constitutional exclusionary rule is even stronger than the statutory rule applied in prior cases.

• "Still, the Court cannot be the first to run roughshod upon the cherished rights of the people enshrined in the Constitution." — This passage captures the Court's balancing of interests between maintaining judiciary integrity and upholding constitutional rights, establishing that the Court will not itself violate fundamental liberties even in pursuit of disciplinary goals.

• People vs. Tudtud, 458 Phil. 752 (2003) — Cited for the proposition that the Bill of Rights occupies a position of primacy in the fundamental law, and the right against unreasonable search and seizure is at the top of the hierarchy of rights, next only to the right to life, liberty, and property.
• People vs. Aruta — Cited for the principle that unreasonable searches and seizures are a menace against which constitutional guarantees afford full protection, and that law enforcement must be exercised without transgressing constitutional rights.
• People vs. Alicando, 321 Phil. 656 (1995) — Controlling authority for the "fruit of the poisonous tree" doctrine in Philippine jurisdiction. The Court adopted the libertarian exclusionary rule excluding not only evidence directly obtained from unlawful search or seizure but also secondary or derivative evidence derived therefrom.
• People vs. Salanga — Applied the fruit of the poisonous tree doctrine to exclude underwear taken from an illegally arrested appellant, leading to acquittal in a rape and killing case.
• People vs. Fatallo, G.R. No. 218805, November 7, 2018 — Applied the statutory exclusionary rule under Section 21, R.A. No. 9165 to exclude drug test results obtained as a result of an illegal apprehension, acquitting the accused of both sale and use of dangerous drugs. Distinguished from the present case as involving a statutory rather than constitutional exclusionary rule.
• People vs. Angeles, G.R. No. 237355, November 21, 2018 — Further applied the principle that a drug test conducted as an indirect result of an illegal arrest is inadmissible, acquitting the accused of drug use charges. Distinguished as involving a statutory exclusionary rule.
• Office of the Court Administrator vs. Reyes — Cited for the principle that an admitted drug user has no place in the Judiciary and that court personnel must adhere strictly to the laws of the land, including R.A. No. 9165.
• Anonymous Letter-Complaint against Atty. Miguel Morales, 592 Phil. 102 (2008) — Cited for the proposition that the fruit of the poisonous tree doctrine applies in administrative proceedings, not only criminal ones.

• Article III, Section 2, 1987 Constitution — Guarantees the right of the people to be secure in their persons, houses, papers, and effects against unreasonable searches and seizures, and requires that no search warrant or warrant of arrest shall issue except upon probable cause determined personally by the judge. Applied as the primary constitutional basis for ruling Guico's warrantless arrest, search, and seizure illegal.
• Article III, Section 3(2), 1987 Constitution — Provides the exclusionary rule that any evidence obtained in violation of the preceding section "shall be inadmissible for any purpose in any proceeding." Applied to exclude Guico's positive drug test result in the administrative case, the Court emphasizing that "any proceeding" includes administrative proceedings.
• Article II, Section 11, R.A. No. 9165 (Comprehensive Dangerous Drugs Act of 2002) — Penalizes possession of dangerous drugs. Guico was charged with and initially convicted under this provision before being acquitted by the CA.
• Article II, Section 38, R.A. No. 9165 — Requires the conduct of laboratory examination on persons apprehended or arrested for violating provisions of R.A. No. 9165. The drug test on Guico was conducted pursuant to this provision, but because the arrest was illegal, the test result was rendered inadmissible as a fruit of the poisonous tree.
• Article VIII, Section 6, 1987 Constitution — Grants the Supreme Court administrative supervision over all courts and personnel thereof. Served as the constitutional basis for the Court's exercise of disciplinary authority over Guico and acceptance of his resignation.
• Section 46(A)(3), Rule 10, Revised Rules for Administrative Cases in the Civil Service — The provision under which the OCA recommended Guico be found guilty of grave misconduct and dismissed from the service.

Gesmundo, C.J., Perlas-Bernabe, Leonen, Caguioa, Hernando, Carandang, Lazaro-Javier, Inting, Zalameda, M. Lopez, Delos Santos, Gaerlan, and Rosario, JJ., concurred. No separate concurring opinions were noted.