Philadelphia, Pennsylvania — New details have emerged in the tragic case of Key’Monnie Bean, a 2-year-old girl who was allegedly beaten to death by her mother’s boyfriend, Sean Hernandez, 21. Hernandez faces multiple charges, including murder, endangering the welfare of a child, possession of an instrument of crime, and recklessly endangering another person in connection with the child’s death.
The Alleged Abuse and Fatal Beating
During a court hearing on Thursday, prosecutors laid out the disturbing allegations surrounding Key’Monnie’s death. A forensic pathologist testified that the child’s body showed signs of suffocation as well as blunt force trauma to the head and torso.
The child’s mother, Ka’Nijah Bean, also testified, describing a climate of fear and abuse. According to Bean, on December 8, 2025, she, Hernandez, and Key’Monnie arrived at Hernandez’s home on South Beechwood Street in Philadelphia. Hernandez reportedly became angry with the child, allegedly grabbing her by the arm and taking her to a basement bedroom, where he left her in a corner.
Bean said that while the adults fell asleep in their bed, Key’Monnie cried out, but no one intervened.
The Fatal Beating
Later that night, Bean reportedly woke up to find Hernandez hitting the sleeping toddler with a “slide sandal.” He then placed Key’Monnie back in the corner, and allegedly told her to “shut up” every time she cried…