Explainer: Philippine VP Duterte impeachment, unexplained wealth, business interests

The 12th week of the ongoing impeachment trial against Philippine Vice President Sara Duterte concluded on Tuesday, with proceedings focusing on alleged sources of large amounts of money that passed through bank accounts reportedly owned by Duterte and her husband. Prosecution witness Gerardo del Rosario, Philippine Securities and Exchange Commission (SEC) Company Registration and Monitoring Department director, testified on Monday that 18 firms are tied to Duterte and her husband, Manases Carpi