“Vanderbilt University scientists had discovered chemically testable differences between psychopaths and others. One was the variance in levels of dopamine, a naturally… — Michael Benson Copy Share Image
“Murderers with severe personality disorders, police had learned, sometimes could fool a lie detector because they lacked shame and guilt, and didn’t feel the… — Michael Benson Copy Share Image
“Vanderbilt University scientists had discovered chemically testable differences between psychopaths and others. One was the variance in levels of dopamine, a naturally produced chemical… — Michael Benson Copy Share Image
