The Keepers: Behind the Unsolved Murder of a Nun That Is Now a Netflix Series

A beloved Baltimore nun went shopping for pastries nearly 50 years ago and then suddenly vanished — only to turn up dead in a ditch with her skull partially caved in. The murder of Sister Cathy Cesnik rocked the city at the time and still haunts those left wondering who killed the 26-year-old Catholic school teacher.

To this day, the question has stumped authorities.