"Authorities Declare Crime Scene in Search for Missing 11-Year-Old Audrii Cunningham"

11-year-old Audrii Cunningham, who went missing last week, was found dead in the Trinity River near Livingston, Texas. Search efforts continue for her, and authorities have scheduled a press conference at the scene where her body was discovered. Don Steven McDougal, the last person seen with Audrii, has an extensive criminal history with multiple violent convictions.