Title
People vs. Aquino
Case
G.R. No. 87084
Decision Date
Jun 27, 1990
An 18-year-old victim was raped and killed; the accused claimed insanity but was convicted of rape with homicide, with the Supreme Court affirming the decision and correcting penalties.

Case Summary (G.R. No. L-22973)

Background of the Case

Juanito Q. Aquino faced charges of rape with homicide based on an incident that occurred on February 13, 1987. The charge arose after Aquino allegedly raped and killed Carmelita Morado, causing her death through violent acts. The prosecution hinged on testimonies indicating the violent nature of the crime and the physical evidence resulting from it.

Early Proceedings

On June 26, 1987, Aquino's counsel filed a motion for his indefinite suspension from trial and his commitment to the National Mental Hospital, citing instability and violent behavior. Following this motion, the trial court suspended arraignment and granted the request for mental evaluation, which ultimately delayed judicial proceedings. Upon his return for trial, Aquino entered a plea of "not guilty" and introduced insanity as a defense.

Evidence Presented at Trial

The prosecution supported its case with testimonies from law enforcement and medical professionals. Police officer Armando Frias documented the victim's ante-mortem statement in which Morado identified Aquino as her assailant. Medical evidence provided by Dr. Saturnino Posadas unveiled critical injuries that confirmed the violent nature of the attack, contributing to Morado's eventual death.

Defense Strategy

To substantiate the insanity defense, the appellant introduced testimony from Dr. Nicanor L. Echavez, concluding that Aquino suffered from an organic mental disorder with psychosis at the time of the crime. Family witnesses further testified about Aquino’s prior erratic behavior and episodes of disturbed conduct, suggesting a long history of mental illness.

Prosecution's Counterarguments

Conversely, the prosecution established witness accounts that indicated Aquino acted normally before and after the crime. Testimonies from Random officers involving his behavior during arrest and interaction with them contradicted the defense claims of insanity. They noted that he appeared to understand and engage in coherent communication, questioning the authenticity of the insanity defense.

Judgment and Sentencing

The trial court ultimately convicted Aquino of the crime, dismissing the insanity defense due to insufficient evidence establishing that he was insane at the time of the acts. The court sentenced him to life imprisonment and ordered him to pay civil indemnity to the victim's heirs.

Appeal and Key Legal Issues

In his appeal, Aquino asserted several points of error concerning the trial court's findings regarding his mental state, the weight given to expert medical testimony, and the admissibility of his extrajudicial confession. The court reinforced the presumption of sanity that favors the prosecution, placing the burden of proof regarding mental incapacity upon the defendant.

Standards for Evaluating Insanity

The court clarified that the inquiry into insanity pertains primarily to the moment of the criminal acts in question. Mere mental abnormality does not exempt a defendant from criminal accountability under Philippine law. The precise standard requires establishing that the accused was devoid of reason or discernment during the commi

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