matobato showed his city i.d. ghost employee earning $100 a month to murder on command. who was ordering to kill all these people? we got the orders from mayor duterte, he says. cnn cannot verify his story but matobato's graphic testimony in september on a testimony on vigilante killings shocked the philippines. the human rights organization is investigating. the president's office says he changed some details in his story. >> very inconsistent. if you go through the transcript, you will see for yourself that matobato is lying through his teeth. >> reporter: the president's communications secretary says, if the testimony was credible, police would have built a case. >> the death squad that people are talking about is all legend. it's all legend. there is no death squad. >> i did kill. i was only three months mayor. >> reporter: duterte told me he personally gunned down three people while mayor of davao. to set an example for his officers. in media interviews he said he doesn't remember matobato and denies ordering

cnn cannot verify his story, but matobato's testimony before a hearing shocked the philippines.resident's office says he changed some details in his story. >> very inconsistent. if you go through the transcript in the senate, you will see for yourself that matobato is lying through his teeft. >> says if the testimony was credible police would have built a case. >> the davo death squad people are talking about, this is a legend. it is a legend. there's no death squad. >> i did kill. i was only three months mayor. >> reporter: duerte told me he personally gunned down three people while mayor of davo to set an example for his officers. in media interviews he says he doesn't remember matobato and denies ordering vigilante killings. we meet in a safe house several hours from manila. he has moved at least ten times in the last year and is currently facing charges of kidnapping and illegal firearms possession. i was told to cut the body parts into pieces, he says. matobato claims they dumped bodies in crocodile farms, in the streets and even in mass graves, but those graves have never

for several years, matobato was in official witness protection.hat duterte's the president, he's just in hiding. we meet at a safe house several hours from manila. he's moved at least ten times in the last year and is currently facing charges of kidnapping and illegal firearms possession. i was told to cut the body parts into pieces, he says. ma matobato claims they dumped bodies in crocodile farms, in the streets, even in mass graves, but those graves have never been found. >> why are you the only one who has come forward? he says, many of them are scared. if we try to change, we're killed. so you think if they find you, they'll kill you? they will kill me, he says, because now their secrets have been revealed. matobato says he's eager to confess his sins to shine a light on the dark reality behind the president's deadly drug war. will ripley, cnn, manilla. >>> now to another especially bloody chapter in recent history and the ruthless dictator behind it. iraq's saddam hussein. he was hanged for crimes against humanity. it will be ten years ago t

. >> reporter: matobato, that's his city i.d.ard signed by duterte himself, surrendered to authorities in october. >> translator: duterte ordered us to massacre the mosques of the muslims. >> reporter: he's testified before a senate committee probing the spike in killings allegedly linked to the war on drugs and is now awaiting trial. duterte has denied knowing him. >> do you feel like your life is in danger right now? >> translator: i know that they will kill me. >> reporter: back in the capital we are with the police as they begin rounding up hundreds in a display of force. so the s.w.a.t. team and the police are now heading into a big square. where they're going to start to interview the locals to see who might be drug dealers, who might be drug users. police say it's an opportunity for drug users and dealers to surrender, come clean, and avoid being hunted down. instead, the drug suspects end up here, the quezon city jail, where effects of the drug campaign are unmistable. it's jammed, look at this. >> the ideal capacity of t