Board Thread:Manga Discussion/@comment-28702329-20180621120402/@comment-36933402-20190506084444

And actually, Kira may qualify as well. I believe one of the insanity defenses is being unable to resist one’s impulses. It’s harder to determine whether that’s actually the case for Kira though, as I’m not sure there’s enough specific information in the manga to prove one way or the other.