MANILA, Philippines — Commission on Audit Intelligence and Confidential Funds Audit Office (COA-ICFAO) state auditor Xylene Mae del Campo is back to the witness stand on Day 15 of the impeachment trial of Vice President Sara Duterte. Del Ocampo, who is expected to face cross-examination by the defense, has previously testified on alleged irregularities in the use and liquidation of confidential funds by the Office of the Vice President and Department of Education during Duterte’s tenure. /dp READ: LIVE UPDATES: Sara Duterte impeachment trial | Aug. 12, 2026...Keep on reading: WATCH: Sara Duterte impeachment trial | August 12, 2026