- Petitioner
- People
- Respondent
- Estrada
- Citation
- G.R. No. 130487
- Court
- Supreme Court En Banc
- Division
- En Banc
- Ponente
- Puno, J.
- Decided
- 2000-06-19
Insanity as an exempting circumstance: clear and positive proof required
Summary
Roberto Estrada was charged with murder for stabbing security guard Rogelio Mararac during confirmation rites at St. John's Cathedral in 1994. Despite Estrada's documented history of schizophrenic psychosis and multiple requests for mental examination due to his abnormal behavior, the trial court denied all motions and proceeded with trial, ultimately sentencing him to death. The Supreme Court found this violated due process and constituted denial of fair trial. The Court emphasized that competency to stand trial requires proper medical evaluation, especially when there are clear indicators of mental illness. The decision was vacated and remanded for proper mental examination to determine both competency to stand trial and possible insanity defense. This case establishes important precedent regarding the rights of mentally ill defendants and the court's duty to ensure fair trial through proper psychiatric evaluation.