Jurisdiction — In general — Territorial jurisdiction — Territorial limits of jurisdiction — Offence of defrauding persons of money — Persons residing outside the territory — Whether offence and fraud committed within the territory — Conspiracy to commit such offence and the conspiracy — Offence of using mails to defraud the public — Whether the Court has jurisdiction to try the offence — Public outside jurisdiction — Whether the court has jurisdiction to try the offence — The law of Canada