Authorities in Texas say a 10-year-old boy who was questioned about a threat to kill another student made a chilling confession. In a news release, the Gonzales County Sheriff’s Office said the boy told investigators he had killed a man in an RV park in early 2022, a week before his eighth birthday. The boy “provided information that was consistent with first-hand knowledge of the homicide of Brandon Rasberry,” the sheriff’s office said. The boy told investigators that while he was visiting his grandfather in Nixon, Texas, he took a gun from his grandfather’s truck, entered Rasberry’s RV, and …