Title
People vs. Arguelles
Case
G.R. No. 102539
Decision Date
May 17, 1993
A police officer shot an unarmed victim in the back, claiming it was accidental. The Supreme Court ruled it as Murder due to treachery, rejecting the defense and affirming the conviction.
murder case
treachery
betrayal of trust
A

Case Summary (G.R. No. 102539)

Factual Background

The prosecution’s version stated that on the evening of February 5, 1990, between 10:30 and 11:00 o’clock, Ismael Mulaga was walking along Abanico Road in Puerto Princesa when he heard a tricycle stop. Mulaga instinctively turned his head and saw accused-appellant Jose Arguelles holding a short gun pointed to Bagamiel Gabuco, who was positioned on the left side of the road right behind Mulaga. Arguelles allegedly uttered, “Police ito, huwag kang tatakbo.” Mulaga then heard a gunshot, and the man addressed—Bagamiel Gabuco—fell down. Mulaga feared for his life and hurried toward his house. The next day, he learned that the person shot was Bagamiel Gabuco.

The defense presented a markedly different account. Accused-appellant claimed that around 11:00 o’clock on the same evening, he and Pfc. Roberto Pamintuan arrived near Eduardo’s Night Club in Barangay San Pedro, Puerto Princesa City, where someone sought assistance because Magbanua was allegedly being mauled by Bagamiel Gabuco. A commotion supposedly followed, and they allegedly saw Bagamiel chased by a person named Guzman. Arguelles then boarded a tricycle with Pamintuan to pursue Bagamiel. As they turned toward Penida Road, they allegedly saw a person running. Arguelles claimed he shouted, “stop, we are policemen,” but the running person allegedly ignored him. When Arguelles approached to question the suspect, the suspect allegedly kicked him. Arguelles claimed he evaded by backing up and drew his service gun to fire a warning shot, but he allegedly lost his balance while doing so, causing the gun to discharge. Arguelles asserted that he later saw the suspect—Bagamiel Gabuco—slump to the ground, and he then brought him to a hospital upon noticing a gunshot wound.

Information, Plea, and RTC Conviction

As a result of the shooting, Arguelles was charged with Murder under Article 248 of the Revised Penal Code, with the information alleging that he killed Bagamiel Gabuco “with treachery and evident premeditation” and while armed with a gun, with intent to kill and the gunshot being the direct and immediate cause of death. On arraignment, Arguelles pleaded not guilty.

After trial, the Regional Trial Court found him guilty of Murder. It imposed reclusion perpetua, directed the accused to pay actual, moral and exemplary damages of P150,000.00, and ordered payment of costs. The trial court also required transport of the accused to the national penitentiary, Muntinlupa, Metro Manila, to serve his sentence. Accused-appellant then appealed.

Issues on Appeal

Accused-appellant assigned as errors: first, that the lower court allegedly erred in considering the elements of treachery and evident premeditation; and second, that the lower court allegedly erred in not convicting him of plain and simple homicide through reckless imprudence.

The Parties’ Contentions

Accused-appellant did not deny that he shot the victim. His defense centered on the claim that the shooting was accidental, arising when his gun fired while he allegedly lost his balance during a supposed attempt to fire a warning shot. He further challenged the prosecution’s theory by disputing the presence of both treachery and evident premeditation, and by maintaining that, at most, his act should be treated as reckless imprudence resulting in homicide rather than murder.

The prosecution relied on the testimony of Ismael Mulaga, on the physical location of the wound as shown by the autopsy report of Dr. Metodio R. Lazo, and on the circumstances surrounding the shooting as recounted in the record to establish that the killing was attended by treachery.

Supreme Court’s Assessment of Treachery and Premeditation

The Supreme Court found no merit in the first assigned error insofar as treachery was concerned. The Court held that the fatal shot was “treacherously directed” at the victim. It pointed out that the wound’s location—specifically, that the victim was shot at his back, “below his waistline”—was evidenced by the autopsy report. The Court also found Mulaga’s testimony decisive. Mulaga stated that he saw Arguelles alight from the tricycle, carry a gun described as a short gun, and utter the instruction, “Police ito, huwag kang tatakbo,” addressed to Bagamiel Gabuco. Mulaga further testified that after the utterance, Bagamiel was hit.

The Court noted that accused-appellant did not deny shooting the victim. Instead, he presented the defense narrative that the gun discharged accidentally during the alleged struggle. Nevertheless, the Supreme Court treated the physical circumstances—particularly the shooting at the victim’s back—as incompatible with the asserted claim of accident and as demonstrating the manner of execution.

Applying the settled doctrine that treachery exists when the offender adopts means, methods, or forms of execution that ensure the felony’s commission without risk to himself from any defense the offended party might make, the Court held that treachery was present. It reasoned that the victim was shot at his back, rendering him helpless and depriving him of any chance to defend himself or avoid the gunfire. Accordingly, the Court affirmed the trial court’s finding of treachery.

However, the Supreme Court clarified that it found treachery but not evident premeditation. The Court expressly stated that the record did not support evident premeditation, even while it sustained the qualifying circumstance of treachery.

Murder vs. Simple Homicide

The Supreme Court next addressed the second aspect of the defense theory, i.e., that the act should have been considered simple homicide through reckless imprudence. The Court held that the trial court committed no reversible error in convicting Arguelles of Murder and not simple homicide. It reasoned that because the information alleged treachery and evident premeditation and because the evidence conclusively showed treachery, the killing qualified to murder.

In explaining the trial court’s conclusion, the Supreme Court echoed the trial court’s factual basis: the lone fatal bullet entered the “left back of the victim’s body, below his waistline.” This showed that the victim was hit from behind, at a position where he could not have seen the assailant and could not have defended himself or avoided the sudden attack. The Supreme Court therefore maintained that Arguelles’ conviction for Murder was legally justified b

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