People vs. Mangsant

Treachery absorbs the aggravating circumstance of abuse of superior strength, and disregard of sex is not an aggravating circumstance absent proof of deliberate intent to insult the victim’s sex. Additionally, evident premeditation must be proved, not merely alleged; lack of instruction does not apply to an accused who has attended even the first grade; and obfuscation requires an impulse so powerful that it produces mental blindness.

Clemente Mangsant and Demetria Ferrer, a 14‑year‑old girl, were lovers who had agreed to marry in May 1937. On the afternoon of April 7, 1937, in Manila, Mangsant visited Ferrer. During their conversation, she revealed that she loved another man. In a state of obfuscation, Mangsant stabbed her repeatedly with a knife, killing her instantly.

• Nature of the Charge: The information alleged that on April 7, 1937, in Manila, the accused, with evident premeditation, disregard of sex, and abuse of superior strength, and with deliberate intent to kill, attacked Demetria Ferrer, a 14‑year‑old girl, stabbing her from behind and inflicting multiple wounds that caused her instantaneous death.

• The Accused’s Account: After changing his plea to guilty during trial, Mangsant testified that he and the deceased were lovers who had planned to marry in May 1937. On the afternoon of the incident, she told him she loved another man; he became so obfuscated that he stabbed her with a knife until she was lifeless.

• Trial Court’s Appreciation: The lower court found the qualifying circumstance of treachery present. It also appreciated the aggravating circumstances of evident premeditation, disregard of sex, and abuse of superior strength, alongside the mitigating circumstances of lack of instruction, obfuscation, and the plea of guilty. Offsetting these, it imposed the penalty in its medium period.

• Solicitor General’s Position: The prosecution recommended a different view: except for treachery and the mitigating circumstance of voluntary confession, the other aggravating and mitigating circumstances were not proved. The accused’s testimony explaining the crime impliedly denied the aggravating circumstances alleged; they could not be considered without independent proof. The mitigating circumstances could not be deduced solely from the accused’s explanation or the admitted allegations.

• Evident Premeditation: Whether the aggravating circumstance of evident premeditation was properly appreciated.
• Disregard of Sex: Whether disregard of sex could be considered as an aggravating circumstance where the victim was a 14‑year‑old girl and treachery qualified the killing.
• Abuse of Superior Strength: Whether abuse of superior strength could be appreciated separately where the accused was a man and the victim a woman, and treachery was present.
• Lack of Instruction: Whether the mitigating circumstance of lack of instruction was applicable to an accused who had completed the first grade.
• Obfuscation: Whether the mitigating circumstance of obfuscation was established by the victim’s revelation that she loved another man.

• Evident Premeditation: Not proved. The description of the crime in the information and the accused’s own account did not establish the elements required for evident premeditation. The aggravating circumstance could not be considered absent competent proof.

• Disregard of Sex: Not considered. The aggravating circumstance of disregard of sex requires a deliberate intent to offend or insult the sex of the victim. Nothing in the record indicated that the accused acted with such intent; he merely executed his criminal design in a treacherous manner, exploiting the victim’s weakness of sex and tenderness of age without intending to insult her sex. The Spanish Supreme Court decision of June 25, 1878, was cited to the effect that where the accused merely takes advantage of the victim’s sex and age to perpetrate the crime without risk, no separate aggravation for disregard of sex lies.

• Abuse of Superior Strength: Absorbed by treachery. The mere fact that the accused is a man and the victim a woman does not by itself constitute abuse of superior strength. Moreover, where treachery qualifies the killing as murder, abuse of superior strength is merged into it and is inherent in the crime. The rulings of the Spanish Supreme Court in decisions of April 28, 1873, June 7, 1873, and September 14, 1887, were applied: abuse of superior strength is absorbed by treachery and cannot be separately appreciated.

• Lack of Instruction: Inapplicable. The accused admitted he had studied in the first grade in a public elementary school. Under Article 15, first paragraph, of the Revised Penal Code, lack of instruction applies only to a person who has truly received no instruction. Having completed some schooling, the accused could not claim this mitigating circumstance.

• Obfuscation: Not established. The victim’s revelation that she loved another man, under the circumstances described, was not sufficient to produce the mental blindness that Article 13, paragraph 6, of the Revised Penal Code recognizes as a mitigating circumstance of passion or obfuscation. The impulse was not so powerful as to naturally produce such a state.

• Proper Penalty: With only the qualifying circumstance of treachery and the mitigating circumstance of voluntary confession (the plea of guilty) present, and no aggravating circumstance to offset it, the penalty for murder under Article 248 — reclusion temporal in its maximum period to death — was imposed in its minimum period. Pursuant to the Indeterminate Sentence Law, the accused was sentenced to an indeterminate penalty.

• Disregard of Sex as Aggravating Circumstance — For disregard of sex under Article 14, paragraph 3, of the Revised Penal Code to be appreciated, there must be proof that the accused deliberately intended to offend or insult the sex of the victim. It is not presumed solely from the killing of a female; the mere taking advantage of her sex to perpetrate the crime without risk does not satisfy the requirement. The Court relied on Spanish jurisprudence (Decision of June 25, 1878) which held that no such aggravation arises when the accused only exploits the victim’s weakness to execute a treacherous design.

• Absorption of Abuse of Superior Strength by Treachery — When treachery qualifies a killing as murder, the aggravating circumstance of abuse of superior strength is absorbed and cannot be separately appreciated. It is inherent in the treacherous mode of attack. Citing Spanish Supreme Court decisions of September 14, 1887, and November 11, 1872, the Court reiterated that abuse of superior strength merges into treachery.

• Lack of Instruction as Mitigating Circumstance — Under Article 15, paragraph 1, of the Revised Penal Code, lack of instruction requires that the accused has received no instruction at all, not merely limited education. Having studied even the first grade negates the circumstance.

• Obfuscation as Mitigating Circumstance — The mitigating circumstance of passion or obfuscation under Article 13, paragraph 6, demands an impulse so powerful that it naturally produces mental blindness, obscuring reason. Not every emotional disturbance qualifies; the stimulus must be proportionate to the resulting state. A verbal revelation of unfaithfulness, without more, does not ordinarily suffice.

• “Considering that the trial court did not err in not considering against the accused the 20th aggravating circumstance of article 10, because nothing appears in the judgment from which it may be presumed that in the commission of the crime, the accused deliberately intended to offend or insult the sex or age of the offended party, but only to execute his evil purpose in a treacherous manner, taking advantage of the weakness of her sex and the tenderness of her age in order to perpetrate the same without risk to his person, etc.” — Quoting the Spanish Supreme Court decision of June 25, 1878, this passage establishes the rule that disregard of sex requires specific intent to insult, not mere exploitation of vulnerability.

• “The circumstances of abuse of superior strength is merged into that of treachery and is inherent in the same.” — This excerpt, drawn from the Decision of September 14, 1887, encapsulates the absorption doctrine applied in the case.

• Spanish Supreme Court Decision of June 25, 1878 — Followed to define the element of deliberate intent to insult sex for the aggravating circumstance of disregard of sex.
• Spanish Supreme Court Decisions of April 28, 1873, and June 7, 1873 — Cited to establish that the mere circumstance of sex does not constitute abuse of superior strength.
• Spanish Supreme Court Decision of September 14, 1887, and Decisions of November 11, 1872, and August 21, 1873 — Applied to support the rule that abuse of superior strength is absorbed by treachery and cannot be separately appreciated.

• Article 248, Revised Penal Code — Defined and penalized murder with reclusion temporal in its maximum period to death. The penalty was imposed in its minimum period due to the presence of one mitigating circumstance without any aggravating circumstance.
• Article 14, Revised Penal Code — Enumerates aggravating circumstances. The Court ruled that paragraphs 3 (disregard of sex), 13 (evident premeditation), and 15 (abuse of superior strength) were either unproven or absorbed.
• Article 13, Revised Penal Code — Provides mitigating circumstances. Paragraph 6 (passion or obfuscation) and paragraph 7 (plea of guilty) were discussed; only the plea of guilty was credited.
• Article 15, Revised Penal Code — Governs alternative circumstances. The first paragraph on lack of instruction was held inapplicable to an accused who had attended school.
• Act No. 4103 (Indeterminate Sentence Law) — Applied to impose an indeterminate sentence of ten years of prision mayor to seventeen years, four months, and one day of reclusion temporal.

Villa-Real, Abad Santos, Diaz, Laurel, and Concepcion, JJ., concurred.