Superior Court Judge Allen Baddour said Wednesday he would rule next week on whether to allow access to information from the Crime Stoppers program. The program promises tipsters whatever they say will stay anonymous.
Prosecutors say releasing the material would compromise a vital crime fighting tool.
Investigators believe Carson was taken near her Chapel Hill home on the morning of March 5, 2008.
According to an autopsy report, Carson was shot five times. Investigators have said Demario Atwater and Laurence Lovette drove Carson's SUV to various ATMs in Chapel and Durham before the murder. They say the Athens, Georgia woman watched as hundreds of dollars were withdrawn from her bank account.
Both men are facing several charges, including first-degree murder, robbery and kidnapping. Federal prosecutors are also pursuing carjacking and weapons charges against Atwater, making him eligible for the death penalty if he's convicted.
Lovette was in court Wednesday. Atwater chose not to appear.