Teacher’s gruesome 1992 death launches decades-long mystery: 20/20 Oct. 5 Part 1
On Dec. 21, 1992, 25-year-old elementary school teacher Christy Mirack was found beaten and strangled to death in her Lancaster…
Pennsylvania teacher’s 1992 death grows cold: 20/20 Oct. 5, Part 2
Investigators conducted interviews and research DNA evidence found at the crime scene of Christy Mirack’s slaying, but years went by…