The Philippine Senate's recent commitment to government transparency faces a critical test as lawyers petition the Supreme Court to force the release of a controversial flood control investigation report.
Just months after senators hailed livestreamed committee hearings and debates as a "new normal" for openness, the Senate Blue Ribbon Committee is invoking "deliberative process privilege" to withhold a partial draft report on alleged irregularities in multibillion-peso flood control projects.
Three lawyers—Eldridge Aceron, Sikini Labastilla, and Purificacion Bartolome-Bernabe—filed a petition for mandamus and certiorari last week challenging the committee's February 23 denial of their request. The committee argued that releasing an unfinished draft would hinder "frank deliberations" and create a chilling effect on internal discussions.
However, the petitioners contend this privilege was waived when committee chairman Senator Panfilo Lacson publicly disclosed the report's contents over three weeks, confirming the draft recommends criminal charges against several current and former lawmakers.
"Chairman Lacson is the institutional holder of the deliberative process privilege he now invokes against petitioners," the petition states. "When the privilege-holder chooses to publicly disclose the substance of the privileged material, the privilege is surrendered, not stolen."
The document reportedly recommends plunder, bribery, and malversation charges against Senators Joel Villanueva, Jinggoy Estrada, and Chiz Escudero; detained former senator Bong Revilla; resigned lawmaker Zaldy Co; and former Caloocan representative Mitch Cajayon-Uy.
The petitioners argue the 1987 Constitution guarantees public access to information on matters of public concern, stating: "The right to information is not a gift from the state to the citizen. It is a guarantee the citizen holds against the state."
They seek a Supreme Court order compelling release of the complete, unredacted draft report as it existed in early February.
The investigation, titled "Philippines Under Water," began in August 2025 following revelations about disproportionate contracts awarded to favored contractors and "ghost projects" discovered after severe nationwide flooding. Its stated objectives include identifying irregularities, uncovering corruption networks, addressing budget misallocation, evaluating flood control plans, and driving legislative reform.
Yet the report's credibility faces questions amid secrecy. While Senate leaders maintain withholding the draft is procedural—ensuring proper vetting and signatures before official submission—critics suspect attempts to "sanitize" content or protect colleagues.
These suspicions intensified on February 10 when Lacson confirmed the committee was "polishing" the report to change recommendations from "filing of plunder charges" to "preliminary investigation."
The report's progress stalled after three senators—Juan Miguel Zubiri, JV Ejercito, and Sherwin Gatchalian—withdrew their signatures, citing need for more time to review the 500-page document's evidence. This reduced active signatures from six to three, below the 11 required for official tabling.
A draft leaked to media in early February was dismissed by Senate President Vicente Sotto III as "unofficial" and "premature." The Supreme Court petition now places the Senate's transparency commitment under judicial scrutiny, testing whether openness applies equally to investigations involving lawmakers themselves.