Dateline Special on Mary Yoder, Kaitlyn Conley To Air Friday Night

NBC's Dateline will shine national spotlight on the local murder case that had everyone talking and sharing their own theories of what really happened.

Dateline's special, Poisoned, takes a closer look at death of Mary Yoder, the subsequent investigation and Kaitlyn Conley.

Dateline's webpage includes a promo of the episode, which airs Friday night at 9 p.m. (eastern) on NBC, along with this description:

''The unexplained death of a beloved chiropractor becomes a criminal investigation when authorities discover she’d been poisoned. Detectives focus on her own family before an anonymous letter leads them to the unlikeliest of suspects. Andrea Canning reports.''