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Lower conviction threshold won't ease prosecution's burden in Duterte impeachment

The Senate Impeachment Court's decision to lower the vote requirement for conviction in Vice President Sara Duterte's impeachment trial does not fundamentally alter the prosecution panel's substantial evidentiary burden, according to a House member involved in the case.

LSN Philippines · 23 September 2026

MANILA — The prosecution team in the impeachment trial of Vice President Sara Duterte faces unchanged challenges despite the Senate Impeachment Court's ruling to allow conviction with a lower vote threshold, said Akbayan party-list Representative Chel Diokno, a member of the House prosecution panel.

Diokno emphasized that the court's decision on voting requirements does not diminish the core responsibility of the prosecution to present compelling evidence against the Vice President. The fundamental nature of the prosecution's work—gathering, organizing, and presenting factual material to support impeachment charges—remains unaltered by procedural modifications.

The ruling, which adjusted the number of votes needed for conviction, was intended to streamline the impeachment process. However, Diokno's comments underscore that procedural changes at the Senate level do not translate into substantive advantages for the prosecution's complex task of building a persuasive case.

The impeachment trial continues as the House prosecution panel prepares its presentation of evidence before the Senate Impeachment Court. Legal analysts note that conviction thresholds, while procedurally significant, represent only one element in protracted impeachment proceedings.