Context: Recently, amid an escalating diplomatic dispute between India and Canada, a top US diplomat in Canada confirmed that the Canadian Prime Minister's allegations against India in the murder of Khalistani militant Hardeep Singh Nijjar were based on shared intelligence among 'Five Eyes' partners.
Five Eyes Alliance
o These countries are parties to the multilateral UK-USA Agreement, a treaty for cooperation in signals intelligence.
o These partner nations exchange a wide spectrum of intelligence within one of the world's most tightly-knit multilateral agreements as part of the collaboration.