 A four-year-old child who was in critical condition after slipping out of a home and walking into the path of a vehicle on the I-7175 Weaver Road overpass early Sunday has died. Boone County officials say four-year-old Jamison Beck was airlifted in serious condition to Cincinnati Children's Hospital. The child was reportedly autistic and nonverbal. The driver of the vehicle remained on the scene to assist in the ongoing investigation.