Hedgepeth, a 19-year-old UNC sophomore, was found dead in her off-campus apartment Sept. 7.
The total reward money for information leading to an arrest and conviction is now at $39,000.
The Chapel Hill Police Department continues to appeal to anyone with information about the death of Hedgepeth to call the police department's tip line at (919) 614-6363.
Tips can also be made to the Chapel Hill-Carrboro-UNC Crime Stoppers at (919) 942-7515.
Calls to Crime Stoppers are confidential.