That is a bit misunderstood. Norway does indeed have a maximum prison sentence of 21 years, which is called "life in prison", but preventive detention can be us

That is a bit misunderstood. Norway does indeed have a maximum prison sentence of 21 years, which is called "life in prison", but preventive detention can be used to effectively keep convicts incarcerated for the rest of their lives if deemed necessary for the safety of the public.