Relations between Washington and Manila deteriorate further over Duterte's policies.
Islamist militants groups are responsible for many of the journalist killings, said the Committee to Protect Journalists.
The firebrand leader threatened to scrap defense pacts to oust foreign troops.
Saudi Arabia promised "swift and immediate" action. Nothing happened.
The firebrand Philippine leader launched another anti-U.S. tirade on Tuesday.
Former Philippine justice secretary Leila de Lima said Duterte's campaign inspired lawlessness.
Duterte made his comments while paving the way for what he calls a new commercial alliance.
"Duterte wants to make an example of me so that nobody will speak out," says Leila de Lima.
The Philippine leader's support at home comes in spite of international criticism of his crackdown on drug gangs.
Duterte said that Russian PM Dmitry Medvedev had agreed with him when he railed against the U.S.
"If Germany had Hitler, the Philippines would have…," said Duterte, pointing to himself.
Call center workers can handle the short-tempered customers. The threat is the automated chatbots that could replace them.
Vietnam's relations with the U.S. have quickly expanded in the wake of the escalating South China Sea dispute, putting the Philippines in an unexpectedly isolated position.
The leader has expressed regret that his "son of a w****" comment was taken as a personal attack.
The Filipino leader pledged not to be lectured by the U.S. president on human rights.
President Rodrigo Duterte, who has overseen the killings of drug-related suspects, declares a 'state of lawlessness' and deploys troops to fight ISIS-linked group.
The country's new president, Rodrigo Duterte, has voiced support for the deaths.
Philippines president threatens to leave the UN after it condemns the extra-judicial killings of drug suspects.
The tugboat crewman swam out to sea after the jihadis threatened to behead him, the military says.
China's response to the U.N. verdict will determine what kind of power it will be.
In a case that was seen as a test of Beijing's rising power, the Hague ruled that China had breached the Philippines' sovereign rights in the South China Sea.