Did India order last June's hit on a prominent Sikh activist outside Vancouver? Canada thinks so. PM Justin Trudeau's public airing of his spy services' suspicions has now prompted tit-for-tat expulsions of diplomats in Delhi and Ottawa. We ask about the killing of Hardeep Singh Nijjar and more broadly, the politics at play for a religious minority of 25 million: most of them in India, with a strong voice in both countries and views that range from moderate to hardline separatist.
Read moreCanada expels Indian diplomat amid probe into exiled Sikh leader's murder
Could the government of PM Narendra Modi really have ordered an extraterritorial assassination? India is not the only superpower Canada is watching. China has recently been accused of pushing expatriates to oppose pro-democracy lawmakers and Ottawa is always on the lookout for Russian interference.
Beyond just Canada, how do diasporas weigh on politics in their countries of origin and how do those countries impact where they live?
Produced by Charles Wente, Juliette Laurain and Imen Mellaz.
