Crime Investigation Australia: Most Infamous (2018)

S3E8 John Ernest Cribb - The Devil Inside

Title: John Ernest Cribb - The Devil Inside Plot: A disturbed murderer targets a young mother in Sydney, leading to her abduction and assault, followed by the tragic deaths of her and two of her children. In a chilling twist, he places a malicious phone call to her husband, deceitfully informing him that she has eloped with him.