Dec 1, 2021anti-graftprobable causeconspiracysandiganbayanombudsmancriminal-law

Conspiracy and Probable Cause: Protecting Private Individuals From Graft Charges

The Supreme Court clarifies when private individuals may be charged under the Anti-Graft law, emphasizing the need for evidence of conspiracy with public officers.


The Supreme Court has ruled that private individuals cannot be charged with graft under Section 3(e) of the Anti-Graft and Corrupt Practices Act (Republic Act No. 3019) unless the prosecution presents sufficient evidence of conspiracy with a public officer. The ruling in Arroyo v. Sandiganbayan (G.R. No. 210488, December 1, 2021) protects private persons from hasty prosecution and clarifies the standard for probable cause in graft cases.

The Case Against Jose Miguel Arroyo

In 2009, the Philippine National Police purchased three helicopters from Manila Aerospace Products Trading Corporation (MAPTRA) for over P104 million. The Ombudsman alleged that two of the helicopters were pre-owned by Jose Miguel T. Arroyo, husband of former President Gloria Macapagal-Arroyo, and that the procurement was irregular.

The Ombudsman charged Arroyo with violation of Section 3(e) of R.A. No. 3019, alleging that he conspired with public officers in the anomalous transaction. The prosecution relied mainly on the testimony of Archibald Po, owner of Lionair Inc., who claimed that Arroyo owned the helicopters and orchestrated their sale to the PNP.

The Issue: Probable Cause and Conspiracy

The central question was whether the Ombudsman and the Sandiganbayan committed grave abuse of discretion in finding probable cause against Arroyo, a private individual, despite the alleged absence of evidence showing he conspired with any public officer.

Section 3(e) of R.A. No. 3019 penalizes public officers who act with manifest partiality, evident bad faith, or inexcusable negligence. Private individuals may be held liable only when they act in conspiracy with public officers. This conspiracy is an essential element of the offense.

The Ruling: Insufficient Evidence of Conspiracy

The Supreme Court granted Arroyo's motion for reconsideration and ordered the Sandiganbayan to drop him from the Information. The Court found that the prosecution failed to establish even the low threshold of probable cause regarding conspiracy.

The Court emphasized that while conspiracy is usually a factual issue for trial, the prosecution must still present a reasonable basis to believe that the private individual connived with public officers. In this case, the evidence showed:

  • The helicopters were owned by Po's companies, Lionair and Asian Spirit, based on official documents
  • Arroyo had divested from LTA Incorporated in 2001, years before the procurement
  • MAPTRA's president admitted he did not personally know Arroyo
  • No overt act connected Arroyo to any public officer in the procurement

The Court noted that the Ombudsman erroneously equated the ownership of LTA, a corporation with a separate juridical personality, with Arroyo's personal ownership. The prosecution also relied heavily on hearsay testimony, which cannot outweigh documentary evidence of ownership.

Judicial Determination of Probable Cause

The ruling also clarifies the duty of courts in reviewing the Ombudsman's findings. While courts generally defer to the prosecutor's determination of probable cause, this deference is not absolute. When the Ombudsman's finding is tainted with grave abuse of discretion—such as when the evidence clearly fails to establish an essential element of the offense—the Court may intervene.

The Sandiganbayan was expected to independently evaluate the evidence rather than blindly follow the Ombudsman's certification. The Court found that the graft court failed to do so, particularly by not examining whether the evidence supported the conspiracy element.

Practical Takeaways

  • Private individuals can be charged under R.A. No. 3019 only if there is evidence of conspiracy with a public officer. Mere association or business dealings with public officials is not enough.
  • Probable cause requires all elements of the offense to be present. The prosecution must show a reasonable belief that each element, including conspiracy, exists.
  • Courts must independently review the Ombudsman's findings. The Sandiganbayan cannot simply rely on the prosecutor's certification of probable cause.
  • Documentary evidence prevails over hearsay. Official records showing ownership and transactions carry more weight than uncorroborated testimonies.
  • A corporation is separate from its shareholders. The Ombudsman cannot assume that a corporate entity's actions are those of an individual stockholder without evidence justifying the piercing of the corporate veil.

This article is general information and not legal advice. For your specific situation, consult a lawyer or ask ASG Legal AI.

This article is general information and not legal advice. For your situation, ask ASG Legal AI or book a consultation.