Watch Evil Lives Here Season 9 in Australia

Some say Cameron Todd Willingham was wrongfully convicted, and the court put an innocent man to death. But Stacy Kuykendall knew Todd better than anyone, and she's convinced that he was a monster who was guilty as charged and deserved to die.

After finding her name on a bullet, a woman fears her son has lethal plans.

Sharon is amazed to be alive after learning about her ex's twisted crimes...

A woman is astounded that she survived her ex-husband's despicable crimes.

A killer's sister agonizes over whether to protect him or turn him in.

When she was a teenager, Sarah Garone was regularly targeted by an anonymous predator for almost a decade. Each time her mysterious assailant struck, Sarah ran to her stepfather, Gary Hardy. Each time, Gary responded with shock and concern, pretending to be her protector. Ever since she was a child, Sarah had occasionally had a gut feeling that something about Gary was creepy, but she could never put her finger on what it was, and no one else in her family seemed to feel the same way about him. She never imagined that the man she trusted to protect her from her attacker would ultimately be the one who was determined to hurt her.

When Sonja Holt's fiancé, Stafford Shaw, starts staying out late, she initially believes his excuse that he is only working. But when signs begin to appear that he has been lying to her, he attempts to convince her otherwise. Determined to uncover the truth, Sonja never imagines just how far Stafford will go to keep anyone from finding out the truth about him, or the terrible price that will have to be paid when his secret lives finally start to collide.

When Claire Throssell meets Darren Sykes, she interprets her soon-to-be husband's constant, overwhelming displays of attention and affection as signs of true love. She doesn't realize that Darren's grand gestures are his sinister way of luring her into a false sense of security so that he can control her. Finding herself trapped in the tightening grip of a monster and determined to plot her escape, Claire knows that Darren will stop at nothing to get what he wants, but she doesn't realize just how devastating his retribution will be until he finally takes his revenge.