Title
People vs. Peralta
Case
G.R. No. L-19069
Decision Date
Oct 29, 1968
Three inmates murdered in 1958 New Bilibid Prisons gang riot; OXO gang members convicted of conspiracy, quasi-recidivism, and multiple death penalties.
conspiracy
multiple murder
death penalty
A

Case Summary (G.R. No. L-32895)

Procedural History

The information charged multiple murder(s) arising from a prison riot. Before trial and during trial some charges were dismissed for lack of evidence; one accused died; several defendants were acquitted by the trial court. The trial court convicted the six defendants named above of multiple murder and sentenced each to death, with indemnity awards and costs. The case came to the Supreme Court on automatic review; the Supreme Court considered the record, the credibility of witnesses, and legal doctrines on conspiracy and multiple penalties, and modified the judgment as set out below.

Facts and Immediate Circumstances

Since 1956 inmates in New Bilibid had divided largely into two rival gangs—“Sigue‑Sigue” (predominantly Tagalog) and “OXO” (predominantly Visayan and Mindanaoan). Prison officials segregated members into different buildings and brigades. On the morning of February 16, 1958, disturbances in the prison plaza led to riots in Building No. 1 and subsequently in Building No. 4. Inmates of brigade 4‑A (OXO) forced open doors, invaded other brigades, and assaulted and killed three Tagalog inmates: Carriego (of 4‑B), Barbosa and Santos Cruz (both of 4‑C). The victims sustained multiple fatal stab and blunt-force injuries from ice picks, clubs and other improvised weapons; autopsies identified penetrating chest wounds, internal hemorrhage, fractured skull, and other lethal injuries.

Witness Testimony and Identification

Multiple inmate witnesses testified for the prosecution identifying the accused as active participants in the assaults and killings. Romeo Pineda (first quarter‑in‑charge of 4‑B) and corroborating witnesses Marayoc and Sauza testified that Factora struck Carriego from behind and that Peralta and Dosal stabbed the prostrate victim. Witnesses from 4‑C (Oscar Fontillas, Antonio Pabarlan, Jose Halili, Carlos Espino and others) described the forced entry into 4‑C and identified Factora, Dosal, Parumog, Larita, Peralta, Luna and others in the violent assaults and killings of Barbosa and Santos Cruz. The trial court credited these witnesses’ testimonies as positive identifications.

Defenses Raised and Trial Court Findings on Credibility

Defenses included self‑defense (Peralta, Dosal), duress/compulsion (Factora), and alibi (Parumog, Larita, Luna). The trial court and the Supreme Court found these defenses not credible in light of the consistent and corroborated eyewitness testimony. Specific inconsistencies undermined self‑defense claims (e.g., location of victims’ bodies, accused seen in brigades other than those they claimed), and alibi claims lacked documentary records or natural plausibility. The court emphasized that alibi is weak when contradicted by positive identifications and that mere denials do not overcome concerted eyewitness testimony.

Legal Characterization of the Homicides and Aggravating Circumstances

The court classified the killings as murder. Treachery qualified the killing of Carriego because he was struck from behind and stabbed while prostrate and defenseless. The killings of Barbosa and Santos Cruz were qualified by abuse of superior strength since the victims were overwhelmed by numerous armed assailants, unarmed and unable to defend themselves. The special aggravating circumstance of quasi‑recidivism was present because the accused were serving sentences by final judgment at the time of the offense; under Article 160 (first paragraph) the penalty for each offense must be imposed in its maximum period. No extenuating circumstances were found.

Doctrine on Conspiracy (Nature and Effect)

The decision reiterates established doctrine: conspiracy exists where two or more persons agree to commit a felony and decide to carry it out. While conspiracy per se is generally not a distinct punishable offense under the Code (except where statute so provides), proof of conspiracy is pivotal because, once established (expressly or by inference), all conspirators are liable as co‑principals for felonies committed in furtherance of the common design. The rationale is that when persons unite for a criminal object, the act of one is legally attributable to all; this enforces collective liability for the consequences of their criminal partnership.

Proof of Conspiracy (Direct and Circumstantial Evidence)

The Court explains that direct proof of conspiracy is not necessary—conspiracy is often secret and is therefore commonly established by competent and convincing circumstantial evidence. Convergence of independent acts, coordinated movement, common objectives, selective targeting of victims, preparation (such as arming themselves), and the synchronized execution of the attack can justify an inference of conspiracy. The Court relied on prior decisions that allow an inference of concurrence of minds from a pattern of facts and coordinated conduct.

Scope of Liability of Conspirators and Requirement of an Overt Act

Once conspiracy is established, conspirators are liable as co‑principals for acts done in furtherance of the conspiracy. To hold an accused as a co‑principal by reason of conspiracy, there must be proof that the accused performed an overt act in furtherance of the conspiracy—this may be active participation in the crime, lending moral assistance by presence at the scene, or exerting moral ascendancy to prompt others to act. The Court also recognized limits: mere presence at meetings or discussion without active participation may be insufficient to sustain conviction as a conspirator.

Multiple Offenses and Imposition of Multiple Penalties

Because conspiracy collectivizes liability, each conspirator is responsible for each distinct felony committed in furtherance of the conspiracy. Therefore, when conspirators commit several separate murders, each conspirator is guilty of each murder and is exposed to the corresponding penalty for each offense. The Court reviewed statutory provisions (old Articles 87 and 88, now Article 70 of the Revised Penal Code) and jurisprudence (e.g., Balaba, Jamad, Guzman, Salazar) holding that courts may and should impose the penalties corresponding to each established offense. The Court addressed objections to multiple death sentences—explaining the legal distinction between imposition and service of sentence, the possibility of simultaneous service, and the practical importance of multiple penalties for purposes such as executive clemency and accurately reflecting the gravity and multiplicity of criminality.

Application of Law to the Present Case: Conspiracy Found and Its Consequences

Applying these principles, the Court agreed with the trial court that conspiracy attended the murders. The factors supporting conspiracy included selective targeting (all three victims were Tagalog/Sigue‑Sigue), the accuse

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