Title
Ampatuan, Sr. vs. Secretary of Justice
Case
G.R. No. 200106
Decision Date
Feb 22, 2023
The Maguindanao Massacre case involved the brutal murder of 57 individuals, including journalists and Mangudadatu's supporters, during a 2009 ambush. Datu Akmad "Tato" Ampatuan, Sr., claimed alibi, but the Supreme Court upheld the finding of probable cause, emphasizing prosecutorial discretion and due process. Tato was later acquitted.
ampatuan sr
secretary of justice
maguindanao massacre
A

Case Summary (G.R. No. 83598)

Key Dates

Critical events reported in the record: planning meeting and convoy events on 22–23 November 2009; initial DOJ Panel Resolution directing filing of information on 27 November 2009; DOJ Joint Resolution finding probable cause (5 February 2010); Secretary Agra’s initial grant of petitioner’s review (16 April 2010) and subsequent reconsideration reinstating probable cause based on the Talusan affidavit (5 May 2010); appellate proceedings culminating in review by the Court of Appeals and this Court. The decision under analysis was rendered after 1990; the 1987 Constitution governs the legal framework applied.

Applicable Law and Rules

Constitutional and statutory framework applied: 1987 Philippine Constitution (executive powers and due process principles as background). Rules and statutes expressly invoked in the decision: Revised Rules of Criminal Procedure, Rule 112 (preliminary investigation and probable cause), Rule 110; Rule 45 (certiorari under Rule 45, limitations on factual questions); 2000 National Prosecution Service (NPS) Rule on Appeal (Section 13 — prohibition on second motions for reconsideration; Section 11 — reinvestigation provision); Prosecution Service Act of 2010 (RA No. 10071) granting supervisory authority to the Secretary of Justice. Key precedents cited: jurisprudence addressing prosecutor discretion, review of prosecutors’ resolutions, due process in preliminary investigations, and standards for certiorari relief (cases cited in the record include Roberts Jr. v. CA; Duterte v. Sandiganbayan; Ledesma v. CA; Balindong; Lao v. Co; Ortigas & Co. v. Velasco; Crespo v. Mogul; De Lima v. Reyes; among others).

Facts — Convoy, Checkpoint, and Murders

On 23 November 2009 Esmael “Toto” Mangudadatu sent a convoy to file his certificate of candidacy. The convoy comprised multiple vehicles transporting Mangudadatu, family members, relatives, and many media persons. The convoy was intercepted at a checkpoint in Sitio Malating, Barangay Salman, Ampatuan, Maguindanao, secured by personnel of the 1508th Provincial Mobile Group. Armed men, allegedly led by then Maguindanao Mayor Datu Andal Ampatuan, Jr., ordered the passengers to disembark, seized personal items and cameras, drove the vehicles to the Municipality of Ampatuan, and gunfire was later heard. Military and police later recovered 57 mutilated and shot corpses identified as the convoy passengers.

Procedural History — Investigations, Informations, and Motions

Andal was arrested on 26 November 2009; the NBI filed complaints the same day which the DOJ Panel of Prosecutors acted upon. On 27 November 2009 the DOJ Panel directed filing of an information against Andal and issued subpoenas to several persons including Tato. After additional affidavits and a joint DOJ Panel Resolution on 5 February 2010, the Panel recommended indictments for 103 respondents including Tato. Tato filed a counter-affidavit asserting an alibi (attendance at a medical mission on 23 November) and submitted supporting affidavits and photographs. Tato petitioned the Secretary of Justice seeking review of the Panel Resolution; Secretary Agra initially modified the Panel’s resolution and excluded Tato (16 April 2010), but after motions for reconsideration and submission of a Supplemental Motion for Reconsideration containing the Talusan affidavit, Secretary Agra reversed his prior modification and found probable cause against Tato (5 May 2010). Tato then filed a certiorari petition with the Court of Appeals; the CA denied relief and affirmed the Secretary’s reinstatement of probable cause. Tato sought relief before the Supreme Court; in the interim the trial court later acquitted Tato for lack of proof of an overt act despite possible conspiracy, rendering the certiorari petition moot on acquittal grounds but leaving legal issues addressed in the opinion.

Issues Presented to the Court

The Court identified and resolved three principal issues: (1) whether the Secretary of Justice committed grave abuse of discretion by accepting evidence submitted in a supplemental motion for reconsideration (Talusan affidavit) without ordering a separate reinvestigation; (2) whether petitioner was denied due process because he was not afforded an opportunity to controvert that additional evidence; and (3) whether the Secretary committed grave abuse in finding probable cause to indict petitioner for multiple murder based on the supplemental motion.

Legal Standards on Probable Cause and the Prosecutor’s Discretion

The decision reiterates that probable cause for filing an information requires a sufficient ground to engender a well-founded belief that a crime was committed and the respondent is probably guilty and should be held for trial. The conduct and findings of preliminary investigations are within the sole discretion of the prosecutor and are executive functions; courts may not interfere except for grave abuse of discretion. A preliminary investigation is inquisitorial and is not a trial on the merits; it is not intended to establish guilt beyond reasonable doubt but only to determine whether proceedings should be held for trial. Under Rule 45, certiorari is not a vehicle to reexamine purely factual determinations, and this Court’s review is limited to legal and jurisdictional issues and the existence of grave abuse.

Analysis on the Prohibition of Second Motions for Reconsideration versus Nature of the Supplemental Motion

The Court examined the 2000 NPS Rule on Appeal’s prohibition of “second or further” motions for reconsideration (Section 13) and the jurisprudential rationale for finality. It concluded the Supplemental Motion for Reconsideration at issue was not a prohibited second motion because it was filed while the first motion for reconsideration was still pending and did not merely reiterate issues already decided. Thus the filing was not barred by Section 13, and the Secretary of Justice was not precluded from receiving and weighing additional evidence presented in that supplemental pleading.

Secretary of Justice’s Power to Receive Evidence and to Direct Reinvestigation

The Court analyzed the Secretary of Justice’s supervisory and direct authority over prosecutors under the Revised Administrative Code, the Revised Rules of Criminal Procedure, the NPS Rules, and RA No. 10071. The Secretary has the power to review, reverse, modify, or affirm prosecutors’ resolutions and may act motu proprio. The rules permit reinvestigation only when the Secretary finds it necessary; the Secretary also has discretion to direct filing of the information without conducting another preliminary investigation. The Court held that the Secretary did not exceed or abuse this discretion by accepting the Talusan affidavit and directing filings based on it; petitioner had no statutory right to insist upon a separate reinvestigation.

Due Process Claim — Opportunity to Be Heard and Counter-affidavit

The Court addressed petitioner’s contention that he was denied due process because he was not furnished the Supplemental Motion or allowed to file a counter-affidavit specifically contesting the Talusan affidavit. The Court emphasized that due process in a preliminary investigation requires a fair and reasonable opportunity to be heard and to submit counter-affidavits. Here, the record showed that petitioner had participated fully in the preliminary proceedings: he filed counter-affidavits, alibi evidence, and other pleadings in the proceeding before the Panel and continued to present his defenses before the CA and this Court. The Court found that petitioner was afforded adequate opportunity to present his side; due process was not violated by the Secretary’s consideration of the supplemental evidence without a separate reinvestigation.

Probable Cause Determination Based on Talusan Affidavit and Corroboration

The Court examined the evidentiary basis relied upon by the Secretary, noting that Abdul Talusan’s affidavit corroborated earlier statements (e.g., the Dalandag affidavit) that placed petitioner at the November 22, 2009 planning meeting and attributed statements indicating assent to violent plans against the Mangudadatu convoy. The Court held that such testimony, if credited, provided a sufficient factual basis for the Secretary to conclude there was probable cause to

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