The series is known for its intimate, first-person storytelling, often using exclusive interviews with family members who were initially fooled by their loved ones . Viewers follow these individuals as they retrospectively piece together unsettling clues that led to a final, devastating revelation . Notable Episodes

is a chilling documentary series that originally aired in early 2019 . The season features 13 hour-long episodes, each centered on a real-life individual recounting the harrowing experience of living with someone who committed heinous crimes . Season Overview

: Karen Kuzma reflects on her childhood with her older brother, who grew up to be one of the most infamous serial killers in American history .

: Lori McLeod recounts her marriage to a man she believed was an FBI agent, only to discover a trail of dangerous secrets .