Catherine Anne Cesnik SSND (born November 17, 1942; disappeared November 7, 1969) was an American Catholic religious sister who taught English and drama at Archbishop Keough High School in Baltimore, Maryland. On November 7, 1969, Cesnik disappeared. Her body was discovered on January 3, 1970, near a garbage dump in the Baltimore suburb of Lansdowne. Her unsolved murder served as the basis for the Netflix documentary series The Keepers in 2017. From Wikipedia
