Yes, Canadian investigators should have gone to India to investigate and build a case against the Indian government. That would have worked well.
Several countries examined Canada's evidence and found it satisfactory. Your government conducted an extra judicial execution of a Canadian citizen on Canadian territory. You are the baddies, even if your government assures you of the opposite.
Several countries examined Canada's evidence and found it satisfactory. Your government conducted an extra judicial execution of a Canadian citizen on Canadian territory. You are the baddies, even if your government assures you of the opposite.