Philippine National Police chief Ronald Dela Rosa wipes his tears after answering questions, during a joint hearing session of the committee on public order and dangerous drugs and the committee on justice and human rights, at Senate headquarters in Pasay city, metro Manila, Philippines November 23, 2016. REUTERS/Romeo Ranoco

Amid high drama in the televised hearing, an emotional Ronald dela Rosa grimaced and held back tears in animated remarks in which he promised to rid police ranks of crooked elements.
Dela Rosa, a stocky, celebrity-like general nicknamed “Bato” (Rock), was responding to hours of testimony from Kerwin Espinosa, a confessed drugs dealer and son of a mayor who was shot dead last month by police while in prison on remand for narcotics links.
“I will not surrender, I will clean up the national police,” Dela Rosa told senators.
“I will be with you,” Dela Rosa said of Duterte. “I will not abandon this fight even if the public is losing trust in the police.”
Parallel probes by both chambers of the Philippine legislature have been largely drab, though sometimes highly dramatic.
The panels have heard gripping witness accounts of all things from death squads and sordid affairs to corruption, murder and sex tapes. Participants …