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Politics & Governance5 Nov 2026 · about 6 min

Defense challenges admissibility of evidence vs Sara Duterte

The brief

The defense wants the Senate impeachment court to reject much of the prosecution’s documentary evidence. It says the records were collected after the original complaint and do not properly support the impeachment charges. The defense calls this an “impermissible fishing expedition.” The challenged materials include Duterte’s SALNs, Securities and Exchange Commission records, PhilGEPS records, land-registration documents, tax records, firearms records, AMLC records, bank records, and a forensic examination of financial data. The defense says some records are irrelevant, while others were obtained unlawfully or lack supporting testimony. The dispute matters because the Senate court must decide which documents it can consider during the trial. The defense submitted its 26-page comment on October 30. Proceedings are paused for budget hearings and are scheduled to resume on November 9, when the defense will present evidence.

01

What evidence is Sara Duterte’s defense team asking the Senate impeachment court to reject?

The defense wants the Senate impeachment court to reject much of the prosecution’s documentary evidence. It says the records were collected after the original complaint and do not properly support the impeachment charges. The defense calls this an “impermissible fishing expedition.”

The challenged materials include Duterte’s SALNs, Securities and Exchange Commission records, PhilGEPS records, land-registration documents, tax records, firearms records, AMLC records, bank records, and a forensic examination of financial data. The defense says some records are irrelevant, while others were obtained unlawfully or lack supporting testimony.

The dispute matters because the Senate court must decide which documents it can consider during the trial. The defense submitted its 26-page comment on October 30. Proceedings are paused for budget hearings and are scheduled to resume on November 9, when the defense will present evidence.

02

What does it mean for evidence to be admissible in a trial?

In general legal usage, evidence is admissible when the court permits it to be formally presented and considered in deciding a case. The evidence usually must relate to an issue, be sufficiently reliable, and satisfy applicable legal rules. Courts may exclude material that has no connection to the charges or was obtained in a prohibited way.

In this trial, the defense argues that several records fail those tests. It says some documents were not part of the original impeachment complaint, while others were irrelevant, confidential, or unsupported by competent testimony. It specifically invoked confidentiality rules for AMLC information and bank records.

Admissibility does not decide whether evidence is true or persuasive. It decides whether the court may consider it at all. The Senate impeachment court is now reviewing the prosecution’s offered exhibits before the defense presents its own evidence on November 9.

03

How many years of Duterte’s Statements of Assets, Liabilities, and Net Worth, or SALNs, did the defense challenge?

The challenged SALNs cover 15 calendar years, from 2007 through 2021 inclusive. The defense does not simply dispute individual entries. It argues that the entire set should not be admitted because the filings from 2007 to 2021 were made before Duterte assumed office as vice president.

SALNs are statements of assets, liabilities, and net worth. In this case, the prosecution apparently uses them alongside other financial records to support allegations involving omissions or discrepancies. The defense calls those allegations conjectures based on false assumptions.

The number matters because a broad group of financial documents is at issue, not just one filing. The defense also objects to related SEC, tax, property, procurement, bank, and AMLC records. The Senate court will decide which materials can be considered when proceedings resume on November 9.

04

Why does the defense say the prosecution’s collection of bank, property, tax, procurement, and other records was an impermissible “fishing expedition”?

A “fishing expedition” describes an overly broad search for potentially useful information without a clear link to specific allegations. The defense uses that phrase because prosecutors obtained many records during the trial, rather than relying only on evidence included in the original impeachment complaint.

The challenged collection reaches across bank accounts, property registrations, tax files, procurement records, corporate records, firearms information, SALNs, and financial reports. The defense says this mass of material was not tied sufficiently to the Articles of Impeachment. It also says bank-record production involved an indiscriminate inquiry into Duterte and her husband.

The issue is important because evidence generally needs a meaningful connection to the charges. The Senate court must decide whether the documents are relevant and legally usable. If it excludes them, the prosecution may have fewer records available to support its allegations.

05

What could happen to the prosecution’s impeachment case if key financial records are ruled inadmissible?

If the Senate impeachment court rules important financial records inadmissible, the prosecution may be unable to use those documents to support parts of its case. That could make allegations about undisclosed assets, material omissions, discrepancies, firearms values, or financial transactions harder to establish.

For example, excluding SALNs, bank records, or forensic reports could remove documents that prosecutors rely on to compare declared wealth with other financial information. Excluding AMLC or bank materials could also prevent the court from considering information the defense says is confidential or was obtained through an overly broad inquiry.

The precise consequence depends on what the court excludes and what other evidence remains. Inadmissibility would not automatically dismiss the impeachment case. It could narrow the evidence and force the prosecution to rely more heavily on admissible documents and testimony, while the defense presents its case on November 9.

06

What are SALNs, and why are public officials required to disclose their assets, liabilities, and net worth?

A Statement of Assets, Liabilities, and Net Worth, or SALN, is a disclosure listing what a public official owns, owes, and is worth. Public officials are generally required to file such statements so the public and oversight bodies can examine their financial interests and changes over time.

The key mechanism is comparison. Reviewers can compare a SALN with property, bank, tax, procurement, or corporate records. Differences may prompt questions about missing assets, inaccurate declarations, conflicts of interest, or unexplained increases in wealth. A discrepancy alone does not prove wrongdoing; it requires context and supporting evidence.

The article says the prosecution offered Duterte’s SALNs, while the defense challenged them. It specifically objected to filings from 2007 to 2021, saying they predated her vice-presidential service. The Senate court must decide whether those documents are relevant and admissible in this impeachment trial.

07

How does an impeachment trial work in the Philippines, and what role does the Senate play as an impeachment court?

In the Philippine system, impeachment begins with a complaint in the House of Representatives. The House investigates and, if it approves articles of impeachment, sends them to the Senate. The Senate then sits as an impeachment court, conducts the trial, hears evidence, and decides whether the respondent should be convicted.

The Senate’s role resembles a trial, but impeachment is a constitutional process rather than an ordinary criminal case. The court considers objections, admits or excludes evidence, hears witnesses, and evaluates the parties’ arguments. A conviction can lead to removal and possible disqualification from office; separate criminal proceedings may still be possible.

Here, the Senate impeachment court is reviewing the prosecution’s exhibits against Vice President Sara Duterte. Proceedings are temporarily paused for Senate budget hearings. They are scheduled to resume on November 9, with Duterte’s defense team presenting evidence. These procedural details draw on general Philippine constitutional practice beyond the article’s specific account.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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