Manila, Oct. 14 -- The Philippine National Police (PNP) on Tuesday said it has identified "persons of interest" in the killing of a whistleblower from the National Irrigation Administration (NIA) in Region 10.

"Mayroon tayong persons of interest na tinitignan. We are confident na the soonest possible time ay ma-resolve itong krimen na ito (We are looking at persons of interest. We are confident that at the soonest possible time, we will resolve this crime)," Police Regional Office Northern Mindanao (PRO 10) Director Brig. Gen. Christopher Abrahano told reporters in Camp Crame in a phone interview.

He declined to disclose the profiles and the number of these persons of interest, pending the results of the investigation.

"Mayroong threa...