Differences in criminal supply chains are normal. In Canada it's mainly South Asian diaspora criminal networks who import heroin, so they source from India (Afg

Differences in criminal supply chains are normal. In Canada it's mainly South Asian diaspora criminal networks who import heroin, so they source from India (Afghan heroin) as they have influence in India. US it's mainly Latino networks who import heroin and have influence in Mexico and Colombia to bribe police and dockworkers thus source from there.