The e-fit is scarily similar to CB. Not sure why this case hasn't been mentioned more. Reading what happened to Tristan Brübach is horrifying and if linked to MM, it doesn't bare thinking about what CB did to her
If he is guilty of these crimes (seems that he very likely is), he is a sadistic, possible psychopath who has no boundaries or sexual preference in who he abuses - it's all about the control he has over his victims, their vulnerability. As I say it's big if, it feels like they have the right person and if not, they have at least caught a very dangerous predator.