Kimberly Langwell vanished in 1999 after failing to show up for dinner with her 15-year-old daughter.

There's a reason veteran homicide investigator Steve Spingola called Kelly Siegler "the Taylor Swift of cold cases" in the Season 7 updates special episode. 

Kelly Siegler will also sit down to answer viewers' burning questions.

Amy and Ross Vilardi were recently charged with the stabbing deaths of Amy's mother, stepfather, and their elderly mothers.

The investigation into Rhonda Richardson's murder was featured in a past episode of Cold Justice.

In a Cold Justice two-part special, Kelly Siegler and South Carolina investigators examine who could have stabbed and shot a married couple and their elderly mothers. 

Derby Wagner-Richardson was abducted from her security post in Racine, Wisconsin, and found dead in the trunk of her car. Now, just over 37 years later, her estranged husband has pleaded not guilty.

Community man William "Michael" McCuen sustained 17 stab wounds — including a fatal one to the heart — in an ambush that began while he was asleep in his Anderson County home.

Kelly Siegler and Abbey Abbondandolo join the Beaumont Police Department in their investigation into the mysterious 1999 disappearance of Kimberly Langwell. 

More than two decades after the 22-year-old was found dead in the bathtub of her Abilene, Texas, apartment, Cold Justice examines the case.