McKenley Yadon

McKenley Yadon is the villainess behind the murder of her three-year-old stepdaughter in 2019.

McKenley served as the stepmother of Arianna Rose Stout since 2017, but on March 14, 2019, McKenley suddenly suffocated three-year-old Arianna to death, doing so with a blanket. It was also revealed during the investigation that McKenley was an abusive villainess, as bruising was found behind Arianna's left ear, though it was never revealed how long the abuse lasted.

McKenley was arrested on May 23, 2019, just four days after what would have been Arianna's fourth birthday, and was charged with child abuse and aggravated murder. A motive hasn't been revealed, but during her confession, the evil McKenley informed police that she had spent days planning to kill Arianna.