People vs. Nugas

Self-defense cannot be appreciated where unlawful aggression on the part of the victim is not established, as when the alleged threat is merely imagined or physically improbable.

On March 26, 1997, Glen Remigio was driving his family vehicle along Marcos Highway in Antipolo City when he accommodated two men requesting a ride. One of the hitchhikers, Melanio Nugas, suddenly stabbed Glen in the neck from behind, causing his death.

• The Incident: On March 26, 1997, at around 9:00 PM, Glen Remigio was driving his family — his wife Nila and their two children — along Marcos Highway in Antipolo City. Two men waved for a ride, and Glen accommodated them at the rear of the vehicle. Near Masinag Market, the two men suddenly brandished knives and held them against the necks of Glen and Nila, demanding to be brought to Sta. Lucia Mall. Upon reaching Kingsville Village, the man seated behind Glen suddenly stabbed Glen in the neck. The two men then alighted and fled.
• Aftermath: Glen pulled the knife from his neck and attempted to drive to the hospital but collapsed, causing the vehicle to hit pedestrians and a gas station railing. Glen was rushed to the nearest hospital but succumbed to the fatal stab wound, which pierced his left lung and transected his left common carotid artery. Nila recovered a knife, its scabbard, and a maroon plastic bag left by the assailants, which contained documents in the name of Jonie Araneta.
• Co-accused: Araneta, identified through the documents in the plastic bag, was originally charged alone. The information was later amended to include Nugas, his uncle, after Araneta identified him as the stabber in a sworn statement. During trial, Araneta plea-bargained and was convicted as an accomplice to homicide.
• Defense Version: Nugas admitted to stabbing Glen but claimed self-defense. He alleged that the vehicle was a passenger taxi, an argument ensued over the fare, and Glen punched him. He further claimed that Glen leaned forward as if to reach for something in a clutch bag, prompting him to stab Glen in anticipation ("Inunahan ko na sya"). He admitted he did not actually see a gun.

• Self-Defense: Nugas maintained that he acted in self-defense, arguing that the victim committed unlawful aggression by punching him and making a motion as if to reach for a gun, thereby posing an imminent threat to his life.
• Treachery: Nugas implicitly challenged the finding of treachery, seeking a reversal of his murder conviction.

• Unlawful Aggression: The People countered that unlawful aggression was absent, Nugas having admitted he did not see a gun, and the victim's position making it physically improbable for him to launch an attack while driving with his family seated between him and the assailant.
• Treachery: The People argued that treachery was present due to the sudden and unexpected attack from behind, which rendered the victim defenseless.

• Self-Defense: Whether unlawful aggression was established to justify the claim of self-defense.
• Treachery: Whether the qualifying circumstance of treachery was duly proven.

• Self-Defense: Self-defense was not established because unlawful aggression, its primordial element, was absent. The alleged threat was merely imagined; Nugas admitted not seeing a gun, and the victim's position at the driver's seat, hemmed in by his wife and children, rendered it physically improbable for him to launch an attack against the person seated directly behind him. Without unlawful aggression, the remaining requisites of self-defense need not be determined.
• Treachery: Treachery was duly proven. The attack was sudden, deliberate, and executed from behind, affording the victim no opportunity to defend himself or retaliate. The relative positions of the parties inside the vehicle ensured the execution of the killing without risk to the aggressor.

• Self-Defense (Burden of Proof) — By invoking self-defense, the accused admits the killing and assumes the burden to prove the justifying circumstance by credible, clear, and convincing evidence, relying on the strength of their own evidence and not on the weakness of the prosecution's.
• Unlawful Aggression (Requisites) — Unlawful aggression requires the concurrence of three elements: (a) a physical or material attack or assault; (b) the attack must be actual, or at least imminent; and (c) the attack must be unlawful. It may be actual (an attack with physical force or a weapon) or imminent (an attack that is impending or at the point of happening, not consisting of a mere threatening attitude or imaginary threat).

• "Unlawful aggression on the part of the victim is the primordial element of the justifying circumstance of self-defense. Without unlawful aggression, there can be no justified killing in defense of oneself."
• "Self-defense cannot be justifiably appreciated when it is uncorroborated by independent and competent evidence or when it is extremely doubtful by itself."

• People v. Mateo, G.R. Nos. 147678-87 (July 7, 2004) — Followed. The appeal was referred to the Court of Appeals pursuant to this ruling, which provides that appeals involving reclusion perpetua must be intermediate reviewed by the CA before elevation to the Supreme Court.
• People v. Carrero, 9 Phil. 544 — Followed. Unlawful aggression is the main and most essential element of self-defense; without it, exemption from criminal liability cannot be maintained.

• Article 11(1), Revised Penal Code — Justifying circumstance of self-defense. Applied to require proof of unlawful aggression, reasonable necessity of the means employed, and lack of sufficient provocation. The absence of the first element was fatal to the defense.

Renato C. Corona (C.J., Chairperson), Teresita J. Leonardo-De Castro, Mariano C. del Castillo, Martin S. Villarama, Jr.