"Like I said before, you will have to find a soldier or a policeman anywhere in the country where I ordered the killing of a man on bended knees, in surrender, or lying down", Duterte added.
Police have reported killing almost 4,000 in his anti-drug war, and many thousands of murders remain unexplained, but Duterte insists he is not responsible for any unlawful deaths.
Duterte then said he sensed good rapport with "an animated President-elect Trump" who understood the way the country is handling the anti-drug campaign.
Duterte backs Japan vs North Korea
President Trump says he will make a "major" announcement Wednesday about North Korea, trade and other issues at the White House. The leaders are also expected to unite in condemning North Korea's nuclear and ballistic missile tests. "It is bad.
"Let's have a summit of how we can protect human rights for all human race", he said at a news conference in Vietnam, where he's attending the Asia-Pacific Economic Cooperation (APEC) summit, according to Reuters.
As regards the South China Sea, the official said there has been a "very clear" and "consistent message" from Trump on freedom of navigation in the South China Sea. "I have stated before and I was not lying, I would not entertain talks about military or anything", he said.
"When I become president, I'll order the police and the military to find these people and kill them".
Trump and Putin were expected to hold a formal meeting on the sidelines of the summit.
Sudanese President Omar Al-Bashir to visit Uganda next week
Meanwhile Presidents Museveni and Bashir also agreed to increase the trade and diplomatic relations between the two countries. Bashir is wanted by the Hague-based global Criminal Court (ICC) on two counts of crimes against humanity and genocide.
"I said, 'I am not raising any sovereign issue". I can not escape that from my duty so I have every right to ask him.
Human Rights Watch has pursued its own investigation and said it found inconsistencies in some police reports, namely instances where police asserted self-defence to justify their actions, "contrary to eyewitness accounts that portray the killings as cold-blooded murders".
Duterte seemed confident he had Trump's backing for his deadly war on drugs.
But critics warn the gesture has come to represent the brutalities of Duterte's drug war, which has claimed thousands of lives. And nearly all of them also have the same problem. Responding to the criticism, Mr Duterte recently moved to take his controversial drugs campaign out of direct control of the police. "I don't care about human rights, believe me".
North Korean shot at while defecting to South
The number of North Koreans defecting to South Korea in the first two-thirds of this year dropped by 13% compared with 2016. The US Embassy in Seoul said it had been made aware about the attempt and was looking into the case.
In September, the budget for the human rights commission investigating the deaths was cut to 1,000 pesos - the equivalent of $20 (£15).