G.R. No. 144293 - Ladiana vs. People

Josue R. Ladiana, the petitioner, was charged with murder before the Sandiganbayan in an Information dated August 5, 1991, alleging he committed the crime while taking advantage of his official position.
The Sandiganbayan initially questioned its jurisdiction due to lack of sufficient facts in the Information but allowed the government to amend the Information.
An Amended Information was filed on April 1, 1992, charging Ladiana with murder for shooting Francisco San Juan, Barangay Captain of Barangay Salac, Lumban, Laguna, while Ladiana was a police officer.

Ladiana, assisted by counsel, pleaded not guilty during arraignment.
During the trial, the prosecution presented five witnesses: the victim's wife, a police radio operator, the municipal health officer who performed the necropsy, a police officer who responded to the incident, and a retired assistant prosecutor who administered the oath on Ladiana's Counter-Affidavit.
Ladiana submitted a Counter-Affidavit during the preliminary investigation admitting to shooting Francisco San Juan but claimed self-defense.
The defense admitted the authorship, authenticity, and voluntariness of the Counter-Affidavit but did not deny the statement personally.

Caridad San Juan, victim's wife, testified about the discovery of the victim's body and the circumstances of the shooting but admitted not witnessing the incident.
PO2 Leopoldo Cacalda testified as the first responding officer who found the victim and later saw Ladiana surrendered in police custody.
Dr. Rogelio Javan performed the necropsy, confirming fatal gunshot wounds to the victim, indicating the assailant was behind the victim.
Mario Talavera Cortez confirmed Ladiana voluntarily presented his Counter-Affidavit admitting to shooting the victim in self-defense.

The Sandiganbayan found Ladiana guilty beyond reasonable doubt of homicide, not murder, citing the absence of treachery.
The court accepted the Counter-Affidavit as evidence against Ladiana, noting the defense's admission as to the document's authenticity and voluntariness.
Ladiana was sentenced to an indeterminate term of 10 years of prision mayor (minimum) to 17 years and 4 months of reclusion temporal (maximum), ordered to indemnify the heirs, and pay costs.

Whether the Sandiganbayan can convict Ladiana of homicide beyond reasonable doubt without eyewitness testimony of the shooting, relying on the prosecutor's testimony administering the oath on the Counter-Affidavit.

Whether the prosecution sufficiently overcame Ladiana's constitutional presumption of innocence and right against self-incrimination based on the Counter-Affidavit admitted by counsel but not personally by Ladiana.

Whether the Counter-Affidavit, considered by the Sandiganbayan as an extrajudicial confession, is admissible against Ladiana without counsel during custodial investigation.

Whether the Sandiganbayan erred in denying Ladiana's Motion for Leave to File Demurrer to Evidence.

Whether Ladiana is entitled to the mitigating circumstance of voluntary surrender based on prosecution witnesses' statements.