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20/20 on ID: Decoding a Murder (S8EP8 ID Sat 21 Sep 2019)



Decoding a Murder: On December 21, 1992, 25-year-old elementary school teacher Christy Mirack was found beaten and strangled to death in her home in Lancaster, Pa., but using DNA evidence, prosecutors were able to link a suspect to the crime 27 years later.

Hosted by John Quiñones.

Airdate: Saturday 21 September 2019 at 9.00pm on Investigation Discovery.

Season 8 Episode 8