This idea that "the law" is a fixed and unambiguous thing that can only be objectively enforced, however lamentable a given case may be, is totally at odds with how the legal system really works. There's a good reason why we've been hearing the phrase "prosecutorial discretion" over and over again in the last few days — that is what was driving this case. Not some dispassionate sorry-but-our-hands-are-tied legal code.

p.s. Invoking Breivik in this context is really inappropriate.