Dateline is set to air an episode on convicted South Carolina child killer Susan Smith. You can also listen to part of an interview with her ex-husband in this article.

Dateline Unforgettable Deadly Valentine investigates the murder of Denise Leuthold on February 14, 2013, in Peoria, Illinois.

Smith’s ex-husband speaks out in two-hour broadcast about her recent parole hearing, tells ‘Dateline’ he ‘wanted an eye for an eye’ after she drowned their two sons. Airs Friday, February 14 at 9/8c ...