A testimony built on sand? Dangerous gambit of anchoring Sara Duterte’s impeachment on a tainted witness

PoliticsOpinion
18 Apr 2026 • 12:02 AM MYT
The Manila Times
The Manila Times

One of the longest-running English broadsheets in the Philippines

A testimony built on sand? Dangerous gambit of anchoring Sara Duterte’s impeachment on a tainted witness

BY any legal or political standard, impeachment is meant to be a solemn constitutional process, not a theater for speculative narratives or unverified accusations. Yet the April 14 hearing before the House Committee on Justice raises a troubling question: Why would lawmakers anchor such grave proceedings on the testimony of a deeply compromised figure like Ramil Madriaga?

At the center of the impeachment complaints against Vice President Sara Duterte lies a witness whose credibility is not merely questionable; it is structurally defective. Madriaga, a self-confessed “bagman” with alleged involvement in illicit financial activities, has been presented as a key source of explosive claims involving confidential funds, POGO-linked financing, and even drug money. But stripped of political drama, what remains is a fragile evidentiary foundation that may not withstand even the most basic legal scrutiny.

Credibility deficit

The first and most glaring problem is the credibility of the witness himself. In any judicial or quasi-judicial proceeding, credibility is the lifeblood of testimonial evidence. Madriaga’s own admissions of acting as a conduit for cash transactions and participating in questionable financial activities immediately cast doubt on his reliability.

A witness with a potential criminal background or admitted involvement in illicit/criminal operations is not automatically disqualified. However, such a profile imposes a far higher burden: His testimony must be corroborated by independent, objective and verifiable evidence. In this case, that burden appears unmet.

Instead, the committee appears to have elevated a witness whose narrative is self-serving, uncorroborated and internally inconsistent. This raises a critical institutional concern: Is the committee pursuing truth, or merely constructing a politically convenient storyline?

A closer examination of Madriaga’s testimony reveals a second major weakness, its heavy reliance on hearsay and secondhand assertions. Many of his claims are not grounded in direct, verifiable observation but rather in what he alleges he was told or inferred.

In legal terms, hearsay evidence is inherently weak because it cannot be tested through cross-examination of the original source. While impeachment proceedings are not strictly bound by technical rules of evidence, they are still expected to adhere to standards of fairness, credibility and rational evaluation.

What emerges from Madriaga’s testimony is not a tightly constructed evidentiary account but a broad and sweeping narrative that attempts to link multiple serious accusations of misuse of confidential funds, money laundering and criminal financing without the necessary evidentiary scaffolding.

This tendency toward narrative inflation, where a single witness alleges too many high-stakes claims without proportional evidence, often signals weakness rather than strength. It suggests an attempt to overwhelm scrutiny through volume rather than withstand it through precision.

Absence  of documentary proof

Perhaps the most damaging gap in the case is the lack of documentary evidence. For allegations involving the rapid disbursement of P125 million in confidential funds, one would expect: financial records, transaction logs, audit trails and corroborating testimony from other participants. Yet none of these appear to have been presented in a compelling manner.

In modern governance, especially in handling public funds, financial transactions, even covert ones, leave traces. The absence of such evidence does not merely weaken the case; it undermines its plausibility. Without documentation, Madriaga’s testimony remains an unverified claim, not an established fact.

More problematic are the inconsistencies and internal contradictions. Credibility is further eroded by reported inconsistencies between Madriaga’s affidavit and his oral testimony. Variations in timelines, unclear descriptions of logistics and shifting details about alleged cash deliveries all contribute to a perception of unreliability.

In adversarial proceedings, such inconsistencies are precisely what defense lawyers exploit to dismantle a witness. Even minor contradictions can create reasonable doubt; significant ones can collapse the entire testimony.

If these inconsistencies are already visible at the House level, where questioning is relatively controlled, they will likely be magnified under the far more rigorous conditions of a Senate trial. No doubt, there’s a strategic risk in the committee’s apparent reliance on Madriaga as a central or “star” witness, which introduces a structural vulnerability, exposes inconsistencies or reveals ulterior motives, and could cause the entire evidentiary framework to unravel.

Political theater  vs legal substance

The broader concern of the Filipino public is that the proceedings have drifted into political theater. Impeachment, while inherently political, must still be grounded in credible and defensible evidence.

Granting a platform to a witness of questionable integrity may generate headlines, but it does not necessarily advance the cause of accountability. On the contrary, it risks trivializing the process, turning it into a spectacle rather than a serious constitutional exercise.

One must ask: What standard is the committee applying in determining who deserves to be heard? If the threshold is merely the ability to make sensational claims, then the integrity of the entire process is compromised.

The ultimate test of any impeachment case is one of heightened scrutiny, adversarial rigor and national visibility. In such a setting, Madriaga’s testimony should face intense cross-examination, scrutiny of his background and motives, demands for corroborating evidence and challenges to every inconsistency and gap. It is highly doubtful that his testimony, in its current form, would survive this process intact. Without substantial corroboration, Madriaga’s claims may be dismissed as insufficient to meet even the political threshold of “clear and convincing” wrongdoing.

For Madriaga’s testimony to be convincing, it must not only be compelling but also resilient under scrutiny. At present, Madriaga’s testimony introduces reasonable doubt, questions of credibility and evidentiary gaps. Hence, Madriaga’s testimony is weak, unreliable and devoid of evidence. This is a dangerous precedent.

Beyond the immediate case, there is a deeper institutional risk. If impeachment can be advanced on the basis of unverified testimony from compromised witnesses, it lowers the bar for future proceedings. This creates a precedent where political actors can weaponize questionable testimonies, due process becomes secondary to narrative construction and public trust in constitutional mechanisms erodes. In the long run, this does more damage to democratic institutions than any individual controversy.

Conclusion: The burden of responsibility

The House Committee on Justice carries a heavy responsibility. Impeachment is not merely a political tool; it is a constitutional safeguard that must be exercised with discipline, integrity and respect for due process. By giving prominence to a witness like Ramil Madriaga without sufficient corroboration, the committee risks undermining the very legitimacy of the process it seeks to uphold.

In the end, the question is not whether allegations can be made, they always can. The real question is whether they can be proven, sustained and defended under scrutiny.

On that measure, the current case, anchored on a deeply flawed witness, appears less like a solid legal challenge and more like a house built on sand, vulnerable to collapse the moment it faces the tides of a true trial.