The body of Audrii Cunningham, an 11-year-old girl who disappeared while on her way to school in Texas, was found Tuesday in the Trinity River, according to Polk County Sheriff Byron Lyons. “Audrii’s body was located at the Trinity River under US Highway 59,” Lyons told reporters at a Tuesday news conference.

Audrii Cunningham, the 11-year-old found dead in a river five days after disappearing in Texas, died from blunt head trauma, authorities confirm with PEOPLE. Her cause of death is "homicidal violence" and her manner of death has been ruled a homicide, Harris County Institute of Forensic Sciences tells PEOPLE.