A 10-year-old boy has been charged with murder after a 7 month-old girl was shot dead in Missouri, police say. ​St. Louis Metropolitan Police found Kiyomi Parker with gunshot wounds when they were called to a home in St Louis just after 4 p.m. on June 26. The baby was rushed to a local hospital but later died from her injuries.​Witnesses at the scene claim that the 10 year-old boy picked up a gun and shot the girl, according to court records obtained by First Alert 4. The boy is believed to be the youngest person to face a murder charge in the state’s history. The victim’s 19-year-old father, Ca’Marion Pawnell, has also been charged in connection with the case, First Alert 4 ​reported. Ca’Marion Pawnell, 19, was also charged in connection with the shooting (SLMPD)Pawnell faces one count of second-degree felony murder, one count of endangering the welfare of a child resulting in death, and two counts of endangering the welfare of a child creating substantial risk, according to documents seen by the outlet. ​The teenager is said to have kept a gun underneath a mattress in a bedroom, and the younger boy knew where it was, per the documents. In a statement after the shooting, St Louis Police said: “On June 26, 2026, just after 4 p.m., District 6 officers responded to the 8400 block of N. Broadway for a shooting. When officers arrived, they located 7-month-old Kiyomi Parker, who had been shot, inside the house.“Officers immediately rushed the baby in their patrol SUV to an area hospital. Despite life-saving care from medical personnel and officers, the baby died from her injuries.“Detectives learned during their preliminary investigation that a 10-year-old boy was responsible for shooting the baby and was taken into custody. Detectives are working with Juvenile Courts to determine next steps.”Police were told the baby’s father kept a gun under the mattress (St Louis Metropolitan Police Department)Mitchell McCoy, St. Louis Metropolitan Police director of public affairs and information, later confirmed on X Juvenile Courts have issued a first-degree murder charge against the boy.​ Missouri law states that children must be at least 12 years-old to be charged as an adult. Precious Jones, an advocate whose own son died from gun violence, told KSDK: “This is such a sad and unfortunate incident to happen to a baby that didn’t even really begin to live life. These types of incidents can be prevented.”​