WATCH: Ex-Sandiganbayan justice takes witness stand in impeachment trial

MANILA, Philippines – Retired Sandiganbayan presiding justice Amparo Cabotaje-Tang takes her oath as the prosecution’s first witness for Article II of the Articles of Impeachment against Vice President Sara Duterte. Cabotaje-Tang is expected to discuss the governing principles on undisclosed and unexplained wealth, as well as prohibited business interests on Day 24 of the impeachment