Title
People vs. Bonoan y Cruz
Case
G.R. No. 45130
Decision Date
Feb 17, 1937
Celestino Bonoan, diagnosed with manic depressive psychosis, was acquitted of murder by the Supreme Court, ruling he was insane during the crime, exempting him from liability.
A

Case Digest (G.R. No. 45130)

Facts:

  • Charge and arraignment
    • On January 5, 1935, Celestino Bonoan was charged with murder for stabbing Carlos Guison on December 12, 1934, in Manila.
    • The information alleged the crime was committed with evident premeditation and treachery resulting in Guison’s death three days later.
    • The defendant was initially objected for arraignment due to alleged mental derangement and was confined at the Psychopathic Hospital.
  • Mental examination and hospital reports
    • Dr. Toribio Joson, assistant alienist, submitted a report describing the defendant’s mental condition as manic depressive psychosis, noting symptoms such as apathy, hallucinations, illusions, and intermittent speech.
    • Subsequent observation by Dr. Jose A. Fernandez confirmed a diagnosis of manic depressive psychosis, concluding the defendant was mentally ill and not safe to be at large.
    • Eventually, in January 1936, Dr. Fernandez declared the accused as “recovered” and fit for trial.
  • Trial and verdict
    • The accused pleaded not guilty and trial proceeded.
    • The trial court found the defendant guilty of murder and sentenced him to life imprisonment, ordered indemnity to heirs of the deceased, and costs.
  • Evidence and defense
    • Prosecution witnesses, including policeman Arnoco and detective Cruz, testified that the accused clearly threatened and stabbed Guison after stating a motive involving an unpaid debt of P55.
    • The defendant had prior confinement in San Lazaro Hospital for dementia praecox in 1922 and 1926.
    • The defense argued that the accused was insane at the time of the crime, citing hospital diagnosis and the defendant’s mental instability.

Issues:

  • Whether the accused was legally insane at the time of the commission of the murder, thus exempt from criminal liability.
  • Whether the burden of proving insanity was correctly placed on the defense and whether the evidence was sufficient to establish insanity.
  • Whether the lower court erred in finding the accused guilty despite evidence of mental illness.

Ruling:

  • (Subscriber-Only)

Ratio:

  • (Subscriber-Only)

Doctrine:

  • (Subscriber-Only)

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