Gideon Yaffe presents a theory of criminal responsibility according to which child criminals deserve leniency not because of their psychological, behavioural, or neural immaturity but because they are denied the vote. He argues that full shares of criminal punishment are deserved only by those who have a full share of say over the law.

Why be lenient towards children who commit crimes? Reflection on the grounds for such leniency is the entry point into the development, in this book, of a theory of the nature of criminal responsibility and desert of punishment for crime. Gideon Yaffe argues that child criminals are owed lesser punishments than adults thanks not to their psychological, behavioural, or neural immaturity but, instead, because they are denied the vote. This conclusion is reached through accounts of the nature of criminal culpability, desert for wrongdoing, strength of legal reasons, and what it is to have a...