NBI: Calbayog mayor Aquino killed in ambush, not shootout Jun 9, 2021 8:32 PM PHT The ambush that led to the death of Calbayog mayor Ronaldo Aquino, his aide, and driver in early March was allegedly planned for months by members of Samar police, the National Bureau of Investigation (NBI) in Eastern Visayas told a Senate panel probing the incident on Wednesday, June 9. During the hearing of the Senate committee on public order and dangerous drugs, NBI Eastern Visayas chief Jerry Abiera said in his presentation, "The NBI Samar District Office is ready to file multiple murder and frustrated murder as defined under Article 248 of the Revised Penal Code, as well as administrative cases against the subjects."