19. Implements the program on the prevention and control of drugs and implements the provisions of the Comprehensive Drugs Law of 2002. a Philippine National Police c. Philippine Drug Enforcement Agency b. Department of Health d. National Bureau of Investigation 20. This agency conducts investigation on cases of prohibited drugs and provides technical assistance to other agencies in terms of dissemination of information a Philippine National Police c. Philippine Drug Enforcement Agency b. Department of Health d. National Bureau of Investigation