Raised in foster care, Kristin and Brandon only had each other. Now, Kristin struggles to understand how her big brother became a cold-blooded killer.

A husband heads down a dark and violent path, ending in the brutal murder of his own parents. His daughter and wife want to know why.

Jenn grew up with a violent big brother, Jimmy, who preyed on his own family. She wants her incarcerated sibling to admit that he killed their mother.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

Lisa narrowly escapes the clutches of her boyfriend, Corey, who turns into a cold-blooded killer. Now, Corey answers her questions from inside prison

After years apart, Jamie-Lee Arrow reunites with her father, Isakin Drabbad - the 'Skara Cannibal' - to confront him over his girlfriend's infamous and brutal murder. Jamie-Lee Also confronts him about the torment she once suffered at her father's hands.