Why were the warning signs around Insys ignored for so long? "Anand Giridharadas says Wall Street funded the opioid crisis, just like it speculated its way into causing the financial crisis. 'The system is set up to tell corporations to make as much money as possible by cutting every possible societal corner,' he says. 'It is a sector of our society that is consistently working in advocating against the life, liberty and pursuit of happiness of the American people.' A team of journalists investigates in the Financial Times.