Has Trudeau allowed Khalistani extremism to flourish in Canada?

On September 18, Canadian Prime Minister Justin Trudeau made the bombshell announcement that: ‘Over the past number of weeks Canadian security agencies have been actively pursuing credible allegations of a potential link between agents of the government of India and the killing of a Canadian citizen, Hardeep Singh Nijjar.’ Trudeau has since strengthened his language, and argued that he has ‘credible reasons to believe that agents of the government of India were involved in the killing of a Canadian on Canadian soil.