People vs. Gervero

Mistake of fact as a justifying circumstance requires that the mistake be honest, reasonable, and committed without fault or carelessness, and does not avail accused who, despite having opportunity to ascertain the identity of their targets, failed to exercise reasonable diligence or employed unnecessary force demonstrating intent to kill rather than arrest.

On the evening of November 25, 1991, in Barangay Milan, Lemery, Iloilo, members of the CAFGU encountered three members of the Barangay Civilian Volunteer Organization (CVO) who were walking to attend a wake. Earlier that day, some of the accused had approached one of the victims asking for money. During the encounter, the accused positioned themselves in an ambush formation near a rice field and opened fire on the victims, inflicting multiple gunshot wounds after the victims had fallen and identified themselves.

• Prior Encounter: At approximately 6:30 p.m., accused Danilo Castigador and Eduardo Bañes, accompanied by two other CAFGU members, approached victim Hernando Villegas at his house to ask for money. After receiving P20.00, Castigador warned Hernando to "watch out."
• The Ambush: At around 8:00 p.m., victims Hernando Villegas, Jose Villegas, and Benito Basug, Jr. walked along the national road and crossed toward a rice field to attend a wake. The area was illuminated by both moonlight and a light bulb. The victims were conversing and laughing loudly as they traversed the open field.
• The Attack: Accused-appellants, armed with long firearms and positioned in an ambush site, suddenly fired upon the victims. Jose Villegas fell first. Hernando Villegas attempted to identify himself by shouting, "This is Hernando, a CVO!" but one of the accused shouted "Birahi na!" ("Shoot now!"), and the accused continued firing. The accused approached the fallen victims and fired at close range, inflicting 14, 16, and 20 gunshot wounds on Jose, Hernando, and Benito respectively.
• Witness Testimony: Prosecution witnesses Delia Villegas (wife of Jose), Isaac Villegas (brother of Jose), and Roda Incronal witnessed the shooting from nearby. Isaac positively identified the accused as the gunmen. The accused later appeared at the house of Barangay Captain Hernando Balinas and claimed they mistook the victims for NPA members; when asked if the victims fired back, they answered negatively.
• Defense Version: The accused claimed they were conducting tactical patrol operations under orders from Senior Inspector Benigno Baldevinos, using passwords "Simoy" and "Amoy." They alleged the victims fired first and they returned fire for thirty minutes, recovering firearms from the victims.

• Mistake of Fact: Accused-appellants maintained that they were conducting authorized tactical patrol operations against NPA members in a time of political instability; that they acted in good faith when they confronted three non-uniformed armed men who allegedly fired at them; and that they honestly believed the victims were NPA members, as evidenced by their voluntary reporting of the incident to the barangay captain and police.
• Fulfillment of Duty: They argued that they were acting pursuant to the verbal instructions of their commanding officer to conduct combat operations, and therefore were justified in firing upon armed persons they believed to be enemies.
• Absence of Treachery: They contended that the element of surprise was justified by the circumstances of place and time inherent in ambush operations, and that no treachery existed because the victims had opportunity to fire back.

• Negligence Precluding Mistake of Fact: Respondent countered that the defense was unavailable because the accused had prior personal knowledge of the victims (having met Hernando earlier that evening), the area was sufficiently illuminated, the victims were conversing loudly, and Hernando had identified himself during the attack, yet the accused continued firing and approached the victims to inflict additional wounds, demonstrating negligence or bad faith.
• Excessive Force: The sheer number of gunshot wounds (14 to 20 per victim) indicated intent to kill rather than arrest, negating any claim of fulfillment of duty.
• Presence of Treachery: The victims were caught off guard while walking to a wake, affording them no opportunity to defend themselves against the sudden attack from an ambush position.

• Mistake of Fact: Whether the trial court erred in rejecting the defense of mistake of fact.
• Treachery: Whether the trial court correctly appreciated treachery as a qualifying circumstance.

• Mistake of Fact: The defense was properly rejected. Mistake of fact requires an honest and reasonable mistake committed without fault or carelessness. Here, the accused were negligent in failing to verify the identities of the victims despite ample opportunity: they had met Hernando earlier that day, the area was illuminated by moonlight and electric light, the victims were conversing and laughing, and Hernando identified himself during the attack. Instead of ceasing fire, they shouted "Shoot now!" and approached the victims to inflict multiple gunshot wounds, constituting excessive force and bad faith.
• Fulfillment of Duty: Even assuming the accused were performing duty under orders, they exceeded its bounds by employing unnecessary force against helpless victims. The duty to arrest does not justify wanton violence or dangerous means when arrest could be effected otherwise, nor does it justify firing upon victims who had already fallen and were unarmed.
• Treachery: Treachery was properly appreciated. The accused deliberately positioned themselves in an ambush site and suddenly attacked the victims who were walking casually to a wake, conversing and laughing. The attack was swift and unexpected, affording the victims no opportunity to defend themselves or retaliate. The accused ensured their own safety by firing from a concealed position while the victims were exposed in an open rice field.

• Mistake of Fact (Ignorantia Facti Excusat) — A defense to criminal liability requiring: (a) an honest and reasonable mistake; (b) that it be a matter of fact; and (c) that it negate the culpability or mental state required for the crime. The mistake must be committed without fault or carelessness; negligence or bad faith precludes the defense. Citing United States v. Ah Chong and People v. Oanis.
• Fulfillment of Duty — A justifying circumstance requiring: (a) that the offender acted in the performance of a duty or in the lawful exercise of a right; and (b) that the injury be the necessary consequence of the due performance of such duty. The use of unnecessary force or wanton violence negates this defense. Citing People v. Oanis.
• Treachery (Alevosia) — A qualifying circumstance for murder requiring: (1) the employment of means, method, or manner of execution that ensures the safety of the malefactor from defensive or retaliatory acts of the victim, with no opportunity given to the latter to defend himself; and (2) the deliberate or conscious adoption of such means. The essence is a sudden, deliberate, and unexpected attack without warning. Citing People v. Manzano, Jr. and People v. Amora.

• "The maxim is ignorantia facti excusat, but this applies only when the mistake is committed without fault or carelessness."
• "A proper invocation of this defense requires (a) that the mistake be honest and reasonable; (b) that it be a matter of fact; and (c) that it negate the culpability required to commit the crime or the existence of the mental state which the statute prescribes with respect to an element of the offense."
• "The essence of treachery is that the attack comes without a warning and in a swift, deliberate, and unexpected manner, affording the hapless, unarmed, and unsuspecting victim no chance to resist or escape."

• People v. Oanis and Galanta, 74 Phil. 257 (1943) — Controlling precedent establishing that mistake of fact requires absence of fault or carelessness, and defining the requisites for fulfillment of duty as a justifying circumstance.
• Yapyuco v. Sandiganbayan, 689 Phil. 75 (2012) — Cited for the requisites of mistake of fact and the principle that the defense negates criminal intent only when the mistake is honest and reasonable.
• United States v. Ah Chong, 15 Phil. 488 — Leading authority on mistake of fact as a function of self-defense, establishing that ignorance of fact excuses only when not due to negligence or bad faith.
• People v. Jugueta, 783 Phil. 806 (2016) — Followed for the award of damages in murder cases (civil indemnity, moral damages, exemplary damages, temperate damages).

• Article 248, Revised Penal Code — Defines murder and enumerates qualifying circumstances including treachery.
• Article 14(16), Revised Penal Code — Defines treachery as the employment of means, methods, or forms in the execution of a crime against persons which tend directly and specially to ensure its execution without risk to the offender from the defense the offended party might make.
• Article 11(5), Revised Penal Code — Provides for fulfillment of duty as a justifying circumstance.
• Article 63(2), Revised Penal Code — Mandates imposition of the lesser penalty when there are neither mitigating nor aggravating circumstances present.

Velasco, Jr. (Chairperson), Bersamin, Gesmundo.

None. (Leonen, J., on official leave).