Terry Rouse grew up with a tight-knit family, but when the 24-year-old disappeared suspicions that the disappearance could have been caused by one of their own broke the family apart.

Family and friends saw the warning signs before Maple Batalia's murder in an upcoming episode of Killer Relationship.

Cathy Lamb was found brutally beaten to death by her husband Jeff Lamb on June 15, 2004.

Ina Gross, 78, was found in a pool of blood in the garage of her Florida home, but the investigation would lead to a surprising killer. 

Nikki Halpin was beaten to death in her Florida home as her two young sons cowered in fear. 

Keiona Braxton was elated about her pregnancy, but the mom-to-be would die just months into the pregnancy at the hands of a violent killer who left her for dead inside her own apartment. 

Dawn Sandoval was having fun dating after a traumatic divorce, but her quest for love would ultimately end in tragedy.

Julie Gonzalez was dreaming about her future when the young Texas mom suddenly disappeared in March of 2010, leaving her family to spend years fighting for justice. 

Harvey Huber, a Texas father and grandfather, spent his life helping the underdog, but ultimately his generosity may have cost him his life.

Everilda Watson thought she'd be celebrating her 50th birthday in style on a five-day trip to Las Vegas, but the mom of three never returned home, revealing a sinister plot to take her life.