I think the aim - and certainly the aim of what I've tried to do since leaving - is not political and certainly not a witch hunt at individuals. It's to try to direct our attention at what I believe is a fundamental fault analysis that we must now examine.
Genes are not simple triggers. No one is hardwired to commit murder or any other crime. Our actions are always the result of stupendously complex gene-environment interactions, and environment is likely to remain the more important influence by far.