The story of a drug company that pushed opioids by bribing doctors and committing insurance fraud. With the Financial Times, an investigation of how Insys Therapeutics profited from a fentanyl-based painkiller 50 times stronger than heroin.

As COVID-19 spread from Asia to the Middle East to Europe, why was the U.S. caught so unprepared? Despite repeated warnings of a potent contagion headed our way, America's leaders failed to prepare and protect us. Why and who is accountable?

FRONTLINE investigates the deadliest American wildfire in a century, and the missed warnings that made it so unstoppable.