American Monster (2016)

S03E20 D.A.W.

As Goren and Eames delve into the mysterious death of a woman who was on a quest to find her deceased mother's antique ring, they uncover a chilling trail that leads them to a doctor with a sinister secret. This physician has meticulously hidden the murders of more than two hundred of his patients, turning their investigation into a race against time to bring the killer to justice and uncover the truth behind these tragic disappearances.