inbreeding

“There are thousands of [married] people in the community who are related and there’s no problem. It’s preposterous to say that because there’s a possibility of his parents being related, [Aron] would be crazy.”

Levi Aron's lawyer argued that his client is insane for multiple reasons: "He suffered a severe head injury as a young man. There's a history of schizophrenia. There's inbreeding in that community."