jean enriquez: on the first day since the president was sworn into office, an environmental activist in bataan was also killed. and there are now threats against other human rights defenders, including indigenous people's leaders in different parts of the philippines. reporter: the bloody work of vigilantes has spread across the country. the victims are often very young. this photograph shows one of the newly dead. the placard behind this woman grieving for her dead friend gives a chilling warning to drug dealers, don't do this. but police in pasig city and elsewhere in the country are under pressure to deliver results to president duterte, who says he wants to eradicate drugs from the phillipines within six months. this police colonel is going through a list. he says the deaths couldn't be avoided. >> those killings were justified. they were killed because they fight back and they place the life of the policeman and other people in danger. so instead of us being killed, they should be the ones to go first. reporter: in addition to the brutal campaign, the authorities are pursuing ot