At 10 a.m. this morning, Netflix posted the full trailer for its latest true crime docuseries...and it is sure to give you chills.

The murder docuseries surrounds the mysterious death of Sister Catherine 'Cathy' Cesnik, a Catholic nun from Baltimore.

The 26-year-old vanished in November 1969. Her body was found 2 months later. But her killer never was.

The series will be released in full on May 19 on Netflix.

See the full trailer below: