Former Senator Antonio Trillanes IV filed plunder and graft charges against former President Rodrigo “Digong” Duterte and Senator Christopher “Bong” Go before the Office of the Ombudsman on Tuesday. According to Trillanes, Senator Go’s father, who owns CLTG Builders, and his brother, who owns Alfrego Builders, allegedly obtained billions of pesos worth of government contracts during the Duterte administration. Trillanes claimed that CLTG Builders entered into a joint venture