As a child, Corey Breininger's stepmother, Judith Hawkey, coerces him into doing something horrible; he keeps her deadly secret for years, too afraid to tell anyone the truth.

Robert Foust contemplates killing his son, Aaron, as the only way to prevent Aaron from becoming a murderer; instead, Robert chooses to put himself and his son in God's hands, and God's plan makes him question everything.

Joylynn Martinez sometimes wakes up and cannot remember what happened the night before; she thinks she must've had too much to drink, never suspecting that her husband, Robert Howard Bruce, was responsible, and that he was just getting started.

As a boy, Travis Spencer always told himself that the cruel pranks his older brother, Timothy, played on him were ultimately harmless. He never suspected that his brother was using him to practice methods of torture that would be used on others.

Michele Ward was always glad that her husband, Richard Daniel Starrett, didn't mind her frequent trips to visit her parents. She never guessed that he sent her away because his sick perversion was getting harder and harder to hide.

It has been more than 25 years, yet Joyce Alexander is still terrified of her son, William Patrick Alexander; she fears he holds her responsible for his horrifying crime, and is convinced he is plotting his revenge from prison.

Edward Pehowic harbors dark secrets before he marries Robin Healey, and she'd catch only glimpses of her husband's dark side, but when she finally escapes from him, she realizes just how evil he is.

John Duck spends his entire life fearing the day his brother Kevin would finally kill someone, but when John discovers his brother is actually a murderer, he still isn't ready to face that Kevin had been born a killer.

Timothy Bass had gotten away with murder for decades, telling his wife, Gina, that he enjoyed working the night shift to make extra money; Gina believed him until she uncovered his secret and was left wondering what evil her husband had done.

It never occurred to Shirley Gaskins that the father she adored could be one of the most prolific serial killers in America, but the more people vanished without explanation, the harder it was to deny.

Richard and Ryan Girgis knew their father, Magdi, was not a particularly good father, but when their family is torn apart, the brothers feel they knew he was evil all along.

Jack Roy Spillman starts collecting wolf memorabilia, and his sisters think it's an odd hobby; when they learn of horrific things he's done, they realize some people may have been right when they called him more animal than human.