Kannan was the leader of a vicious Tamil gang in Toronto called A.K. Kannan, one of two rival Tamil gangs that operated in Toronto. He was charged for drug trafficking, and has also been investigated for attempted murder, assault with a weapon, aggravated assault, possession of a weapon dangerous to the public, pointing a firearm and using a firearm to commit an offence, threatening and extortion.
In September of 2009, despite an appeal by Kannan, the Federal Court of Canada deemed him a threat and a risk to the health and safety of Canadians, and a threat to the security of Canadian society.
According to a Canadian Police (RCMP) report, "Tamil criminals in Ontario and Quebec are involved in a growing range of illegal acts, from home invasions and drug trafficking to human smuggling and arms trafficking."
The London Free Press
...officials of the Canada Border Services Agency successfully fought to have him kept in custody citing concerns he would not show up for his pending deportation and is a threat to the public.
The convicted heroin trafficker arrived in Canada as a refugee claimant in 1990 and became a permanent resident.
"Mr Sittampalam is the son of one of the leaders of a political group in Sri Lanka," Deputy Judge Louis Tannenbaum said in his Aug. 31 decision. "It is this connection which the police speculate has carried old hostilities to Canada."