Canada must face it: Jihadi Jack is ours now - 2019-08-25
International law permits stripping an individual of citizenship only when that person is not left stateless. Britain beat Canada to the punch, leaving only the "Canadian" option for Letts. Our Charter of Rights and Freedoms, under the mobility rights section, makes it clear that every Canadian citizen has the right to enter and remain in Canada.
So now Public Safety Minister Ralph Goodale seeks cover under logistics, albeit declaring that no helping hand would be offered.
Trudeau hasn't exactly been forthright either, merely reminding that it's a crime to travel internationally with the aim of supporting terrorism. "And that is a crime that we will continue to make all attempts to prosecute to the fullest extent of the law."