The doctors who sounded the alarm become the target of an investigation themselves. And a fearless filmmaker finds that the answers lie with the patients.Support us by supporting our sponsors!ADT - Thanks to our presenting sponsor ADT! Get all the latest security upgrades from the largest name in home security by visiting ADT.com today. BetterHelp - Get 10% off your first month at BetterHelp.com/DOCTOR.ZipRecruiter - Try ZipRecruiter for free at ziprecruiter.com/death.The Zebra - Visit TheZebra.com/DOCTOR to start comparing quote for free today.Parachute - Go to parachutehome.com/doctor for free shipping and free returns.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.