Ashley Schwalm was an interior designer, a mom of two and a wife with a marriage that was unraveling behind closed doors in ways that would ultimately turn deadly.

KNOXVILLE, Tenn. — An episode of Dateline is set to re-air on Friday, Dec. 12, at 3 p.m. will follow the case of Brittany Eldridge, who died in Knox County while 8 1/2 months pregnant in 2011.