House Prosecutor and Mamamayang Liberal Party-list Representative Leila de Lima addresses the media during a press conference at the Senate of the Philippines in Pasay City on Wednesday, June 24, 2026. De Lima provided a briefing following the fourth day of closed-door pre-trial conferences regarding the impeachment case against Vice President Sara Duterte. INQUIRER PHOTO / NIÑO JESUS ORBETA

MANILA, Philippines — The prosecution’s next witness will bolster the evidence and testimonies concerning Vice President Sara Duterte’s alleged grave threats, Mamamayang Liberal Party-list Rep. Leila de Lima announced Saturday as the first week of the impeachment trial concluded.

This was De Lima’s response when questioned about what the public should anticipate from the forthcoming testimony of NBI Regional Director Jeremy Lotoc.

Lotoc will be presented as the witness of the prosecution after NBI Senior Agent John Mark Calilung.

Lotoc’s role in Sara Duterte impeachment