People vs. Gadiana

A claim of self-defense must be proven by clear and convincing evidence, and the accused who admits the killing bears the burden of establishing all elements of the defense, including the absence of sufficient provocation and the reasonableness of the means employed to repel the aggression. When the accused admits responsibility for the killing, the weakness of the prosecution's evidence may not be relied upon to support acquittal.

The case involves a criminal prosecution for murder under the Revised Penal Code. The accused, Tomas Gadiana, was charged with the killing of Constantino Paltinca, which occurred on March 19, 1988, during the barangay fiesta of Lutoban, Zamboanguita, Negros Oriental. The prosecution presented eyewitnesses who identified Gadiana as the assailant, while the accused admitted the stabbing but invoked self-defense. The case required the Court to determine whether the defense of self-defense was properly established and whether the killing was attended by treachery.

On March 19, 1988, the barangay of Lutoban, municipality of Zamboanguita, Negros Oriental, celebrated its barangay fiesta. At about three o'clock in the afternoon, Constantino Paltinca, Juan Rafal, Temistocles Gajelloma, and Ananias Rafal were conversing near the sari-sari store of Duarda Hapon on the roadside. Gadiana surreptitiously came up behind Paltinca, who was leaning against a coconut tree, and suddenly stabbed him on the left side of his abdomen with a 6-inch hunting knife. With the knife still imbedded in his abdomen, Paltinca chased Gadiana, but after running for about ten meters, he collapsed on the ground. Responding to his call for help, his mother, Enocia Alap-ap, came to the rescue and brought him to the Negros Oriental Provincial Hospital.

Dr. Zosimo Dy, Jr., who operated on the victim, certified that Paltinca sustained "one (1) stab wound, 5 cm. long, left hypochondriac area penetrating the abdominal cavity perforating liver, left lobe gall bladder, transecting jejunum, general peritonitis, hemoperitoneum and irreversible shock." The injuries were fatal, and the victim expired at around 10:00 o'clock in the evening of the same day.

The accused, Gadiana, was the lone witness in his behalf. He admitted that on March 19, 1988, he was in Barangay Lutoban, Zamboanguita, Negros Oriental, to attend the barangay fiesta. While he was there, Constantino Paltinca (whom he knew as "Cristino") allegedly held him up, demanded his money, and threatened to kill him if he refused. He tried to escape, but Paltinca, who allegedly was armed with a hunting knife, blocked his way. He allegedly kicked Paltinca in the groin, causing him to fall and lose his knife. Gadiana quickly picked up Paltinca's hunting knife, stabbed him in the stomach, and fled. He surrendered to the police without delay.

The prosecution witnesses presented conflicting details in their testimonies. Juan Rafal testified that after the accused-appellant stabbed Paltinca from behind, the latter chased the former for a distance of about ten meters before he fell to the ground, while Temistocles Gajelloma denied that Paltinca ran after his assailant, declaring that Paltinca did not do anything "because his intestines came out of his abdomen," so "he was brought to the hospital by his mother." Rafal alleged that Gadiana did not say anything before he stabbed Paltinca, while Gajelloma heard Gadiana say: "This is yours" when he stabbed Constantino Paltinca. Rafal claimed that Paltinca was stabbed on the left side below the ribs, but Gajelloma swore that Paltinca was hit on the right side of his body. Rafal stated that Paltinca was holding the trunk of a coconut tree when he was stabbed, while Gajelloma alleged that Paltinca was leaning against the coconut tree with his right hand behind his head.

After due trial, the Regional Trial Court, in a decision dated January 31, 1990, convicted the accused of murder. Gadiana appealed, alleging that the trial court erred in not holding that the evidence of the prosecution failed to meet the test of moral certainty as to his guilt and to overcome the constitutional presumption of his innocence.

• Insufficiency of Prosecution Evidence: The appellant argued that the evidence of the prosecution failed to meet the test of moral certainty as to his guilt and failed to overcome the constitutional presumption of his innocence.
• Grave and Irreconcilable Inconsistencies: The appellant capitalized on the allegedly "grave and irreconcilable inconsistencies" of the prosecution witnesses Juan Rafal and Temistocles Gajelloma, pointing to their differing accounts of whether the victim chased the assailant, whether the accused said anything before stabbing, which side of the body was stabbed, and the position of the victim's hand at the time of the attack.
• Material Facts Not Appreciated: The appellant cited "certain material facts that were not appreciated by the trial court," including the physical impossibility of the wound given the alleged position of the victim and the direction of the attack.
• Failure to Present the Victim's Mother: The appellant questioned the prosecution's failure to present the victim's mother, Enocia Alap-ap, who was at the crime scene.

• Positive Identification: The prosecution presented Juan Rafal, Temistocles Gajelloma, and Ananias Rafal, who positively identified Gadiana as the person who fatally stabbed Paltinca.
• Admission of the Killing: The prosecution relied on the accused's own admission that he stabbed Paltinca, shifting the burden to the accused to prove self-defense by clear and convincing evidence.

• Sufficiency of Prosecution Evidence: Whether the alleged inconsistencies in the testimonies of the prosecution witnesses created reasonable doubt as to the accused's guilt.
• Self-Defense: Whether the accused-appellant validly invoked self-defense, requiring him to prove unlawful aggression, reasonable necessity of the means employed, and lack of sufficient provocation.
• Treachery: Whether the killing was attended by treachery, qualifying the crime as murder.

• Sufficiency of Prosecution Evidence: No. The alleged inconsistencies were minor and inconsequential, and the witnesses agreed on the essential facts. The truth need not be narrated with perfect symmetry, and the failure to present the victim's mother was not fatal as her testimony would have been merely corroborative and cumulative.
• Self-Defense: No. The accused admitted stabbing the victim and invoked self-defense, but he failed to prove its elements by clear and convincing evidence. Even assuming unlawful aggression, the element of reasonableness of the means to prevent or repel the aggression was absent because the unlawful aggression ceased when Paltinca fell and lost his knife.
• Treachery: Yes. The attack by the appellant while the deceased's back was turned to him was treacherous, as it was sudden and unexpected and insured the killing of the defenseless victim without risk of harm to the accused.

• Sufficiency of Prosecution Evidence: The Court addressed the alleged inconsistencies between the testimonies of Juan Rafal and Temistocles Gajelloma. While Rafal testified that Paltinca chased Gadiana for about ten meters before falling, Gajelloma denied this, saying Paltinca did not do anything because his intestines came out. While Rafal said Gadiana did not say anything before stabbing, Gajelloma heard Gadiana say "This is yours." While Rafal claimed the victim was stabbed on the left side below the ribs, Gajelloma swore the victim was hit on the right side. The Court noted that the autopsy showed Rafal's testimony was correct, but Gajelloma was not necessarily wrong because he probably meant the victim's "right side when he was facing Paltinca." The difference regarding whether Paltinca was holding the trunk of the coconut tree or had his right hand behind his head was deemed an insignificant detail with no material relevance to the defense. The Court quoted People vs. De Guzman: "The truth need not be narrated with perfect symmetry. Several persons remembering the same incident may vary in their recollections of some of the details but these differences do not necessarily make liars of them all. What is important is that they agree on the essential facts and that their respective versions, corroborate and substantially coincide with each other to make a consistent and coherent whole." The failure to present the victim's mother was not fatal because her testimony would have been merely corroborative and cumulative, and it is the fiscal's prerogative to determine which witnesses to present. The Court also addressed the appellant's question about the physical possibility of the wound, explaining that when Gadiana attacked Paltinca from the rear, he emerged on the left side of his victim who may have turned to face his assailant, whereupon the latter stabbed him on the left side of the body with the knife in his right hand. The prosecution's failure to establish motive was not important because motive becomes essential only when there is doubt as to the identity of the assailant, and here the accused was positively identified by three witnesses.

• Self-Defense: The Court held that because Gadiana admitted stabbing Paltinca but invoked self-defense, upon him lay the burden of proving the elements of that defense by clear and convincing evidence. He must rely on the strength of his evidence and not on the weakness of the prosecution, for even if the evidence of the prosecution were weak, it may not be disbelieved after the accused admitted responsibility for the killing. Assuming there was unlawful aggression on the part of Paltinca, the element of reasonableness of the means to prevent or repel the aggression was absent. If Gadiana's story were to be believed, Paltinca fell and lost his knife when Gadiana kicked him. The unlawful aggression ceased from the moment Paltinca fell and lay unarmed and helpless on the ground. There was no more need for Gadiana to kill him, for after Gadiana had taken possession of the knife, he could have simply walked away.

• Treachery: The Court held that the crime committed was murder because the attack by the appellant while the deceased's back was turned to him was treacherous. It was sudden and unexpected and insured the killing of his defenseless victim without risk of harm to the accused.

• Self-Defense — When the accused admits the killing but invokes self-defense, the burden of proof shifts to him to establish the elements of the defense by clear and convincing evidence. He must rely on the strength of his own evidence and not on the weakness of the prosecution's case. The elements of self-defense are: (1) unlawful aggression on the part of the victim; (2) reasonable necessity of the means employed to prevent or repel the aggression; and (3) lack of sufficient provocation on the part of the person defending himself. In this case, the accused failed to establish the second element because the unlawful aggression ceased when the victim fell and lost his knife, and the accused could have simply walked away.

• Treachery — Treachery exists when the offender commits any of the crimes against persons, employing means, methods, or forms in the execution thereof which tend directly and specially to insure its execution, without risk to himself arising from the defense which the offended party might make. An attack from behind, which is sudden and unexpected, constitutes treachery. In this case, the attack by the appellant while the deceased's back was turned to him was treacherous because it was sudden and unexpected and insured the killing of the defenseless victim without risk of harm to the accused.

• Inconsistencies in Witness Testimonies — The truth need not be narrated with perfect symmetry. Several persons remembering the same incident may vary in their recollections of some of the details, but these differences do not necessarily make liars of them all. What is important is that they agree on the essential facts and that their respective versions corroborate and substantially coincide with each other to make a consistent and coherent whole. Minor inconsistencies that have no material relevance to the defense of the accused do not impair the credibility of witnesses.

• Motive — Motive becomes essential only when there is doubt as to the identity of the assailant. It becomes immaterial when the accused has been positively identified. In this case, the prosecution's failure to establish a motive for the crime was not important because the accused was positively identified by three prosecution witnesses.

• "The truth need not be narrated with perfect symmetry. Several persons remembering the same incident may vary in their recollections of some of the details but these differences do not necessarily make liars of them all. What is important is that they agree on the essential facts and that their respective versions, corroborate and substantially coincide with each other to make a consistent and coherent whole." — This passage, quoted from People vs. De Guzman, articulates the standard for evaluating alleged inconsistencies in witness testimonies and was central to the Court's rejection of the appellant's argument that the prosecution evidence was insufficient.

• "Moreover, Gadiana admitted stabbing Paltinca but invoked self-defense. Consequently, upon him lay the burden of proving the elements of that defense by clear and convincing evidence. To do that, he must rely on the strength of his evidence and not on the weakness of the prosecution. For, even if the evidence of the prosecution were weak, it may not be disbelieved after the accused admitted responsibility for the killing." — This passage states the controlling rule on the burden of proof in self-defense cases where the accused admits the killing, and it was the basis for rejecting the appellant's defense.

• "The crime committed was murder as the attack by the appellant while the deceased's back was turned to him was treacherous. It was sudden and unexpected, and insured the killing of his defenseless victim without risk of harm to the accused." — This passage defines the Court's finding of treachery, which qualified the killing as murder.

• People vs. De Guzman, G.R. No. 76742, August 7, 1990 — Cited for the principle that the truth need not be narrated with perfect symmetry and that minor inconsistencies in witness testimonies do not necessarily make liars of the witnesses. Also cited in the dispositive portion for the increased civil indemnity of P50,000.
• People vs. Andiza, 164 SCRA 642 — Cited for the rule that it is the fiscal's prerogative to determine which witnesses to present and whom to withhold.
• People vs. Gupo, G.R. No. 75814, September 24, 1990 — Cited for the same rule regarding the fiscal's prerogative in presenting witnesses.
• People vs. Yeban, G.R. Nos. 90279-81, October 11, 1990 — Cited for the rule that motive becomes essential only when there is doubt as to the identity of the assailant.
• People vs. Juanga, G.R. No. 83903, August 30, 1990 — Cited for the rule that motive becomes immaterial when the accused has been positively identified.
• People vs. Kyamko, G.R. No. 95263, December 18, 1990 — Cited for the same rule that motive is immaterial when the accused has been positively identified.
• Guevarra vs. CA, G.R. No. L-41061, July 16, 1990 — Cited for the rule that even if the prosecution's evidence were weak, it may not be disbelieved after the accused admitted responsibility for the killing.
• People vs. Sazon, G.R. No. 89684, September 18, 1990 — Cited for the same rule regarding the burden of proof when the accused admits the killing.
• People vs. Ricarte, G.R. No. 67803-04, July 30, 1990 — Cited for the element of reasonableness of the means to prevent or repel the aggression in self-defense.
• People vs. Espiritu, G.R. No. 80406, November 20, 1990 — Cited for the definition of treachery as a sudden and unexpected attack that insures the killing without risk to the accused.
• People vs. Bartulay, G.R. No. 83696, December 21, 1990 — Cited in the dispositive portion for the increased civil indemnity of P50,000.

• Article 248, Revised Penal Code — The provision defining murder, which was applied in affirming the conviction of the accused for the treacherous killing of the victim.
• Article 11, Revised Penal Code — The provision on justifying circumstances, including self-defense, which the Court applied in rejecting the accused's claim of self-defense for failure to prove its elements by clear and convincing evidence.

Narvasa, Cruz, Gancayco, and Medialdea, JJ., concurred.