Not even that. I'm not sure to what do we refer exactly by (western) "human rights". Is it the Universal Declaration of Human Rights? That was not "western", as the United Nations General Assembly, which adopted it, had equal representation of all member nations, including Philippines. Is it something else, something older, like the Declaration of the Rights of Man and of the Citizen, passed somewhere in the French Revolution? Well, we can find less "western" versions before that all over the world and history: https://en.wikipedia.org/wiki/History_of_human_rights
You don't need it when you are at war. Killing people is normal during a wa even without evidence.
Are you saying that human rights are real in some sense? That they're something more than arbitrary legal constructs/a civic religion devised by Westerners in the last few centuries?
Human rights, and more specifically due process, are not 'Western', they've just been formulated there. Do you believe gravity is 'white' or 'jewish' because it was formulated by Einstein?
And societies that 'get' due process objectively do better: tell me, who does better in social development and public safety, Nigeria or Mauritius? Nigeria or Cape Verde? Conversely, when were Latin American countries worse off, during their "military Dutertre" era, or now? Your position has never worked historically.
You can't _claim_ guilt, you need proof, and to get proof you need due process.