Originally Posted by pibbur
If he's sentenced to prison he'll get 21 years (30 years if a newly added paragraph for crime against humanity can be applied.)
He can in stead be sentenced to custody for up to 21 years, if he's considered a significant risk to society. This can be extended for 5 years at a time, depending on whether he's still considered a risk or not. The seriousness of the crime is not considered, only his danger to society.