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.
“I know it's a cliche, but the whole family is just whacked. I mean, we're all out of our minds. They're the funniest, most eccentric bizarre people I've ever met, my siblings.”