Ronald “Bato” Dela Rosa was once one of the most visible faces of Rodrigo Duterte’s deadly war on drugs, a tough-talking national police chief who was seen as the hatchet man carrying out the former Philippine president’s crackdown against alleged criminals of the narcotics trade. Now a senator, Dela Rosa has somewhat fallen off the radar – for six months, he has not appeared for work after reports circulated that he could face arrest in connection with the International Criminal Court’s crimes.