Though the infamous ax murderer, Lizzie Andrew Borden, died years ago on June 1, 1927, her biology lives on. Scientist James Fallon found out that not only was Lizzie Borden a distant relative, but that he also shared her psychopathic brain. It was during a family research project on Alzheimer’s disease that he saw his own PET scan, not knowing it was his, and recognized the hallmark neurological deficits of the psychopathic population he was studying. As a neuroscientist Fallon worked with experts on brain abnormalities of the criminal kind and so was familiar with the brain scans that psychopaths present with. He was shocked to find out that the image he recognized…