Altria is the latest of a large group of tobacco and alcohol companies racing to get a piece of the cannabis market.
52-year old faces up to a decade in prison.
Estimated those sales cost the province up to $1 billion in tax revenue annually.
Bolsters case of cancer victim who won a $28 million judgment against R.J. Reynolds.
But found guilty of two other charges under the Tobacco Tax Act.
Judgment calls on three companies to issue initial compensation of more than $1 billion within 60 days.