KIDAPAWAN CITY: Fifty police officers in North Cotabato are undergoing criminal investigation course at the police provincial office in Barangay Amas, Kidapawan City, a ranking police officer said on Sunday. Senior Supt. Danilo Peralta, North Cotabato police provincial director, said the training was aimed at arming police officers with the technical know-how on crime investigation. Training, which started on Friday, will end this December. Police Chief Inspector Danilo dela Cruz, course director, said the training is being attended by police investigators in every police office in North Cotabato’s 17 municipalities and Kidapawan City.