Two calls are from residents in the the neighborhood where Carson's body was discovered.
According to police, the calls were made around 5 a.m. when residents say they heard gunshots and a woman scream.
The third call is from a Chapel Hill resident who spotted Carson's stolen vehicle Thursday afternoon, a day after her body was found.
Listen to the 911 calls:
Call 1 (placed morning of shooting)
Call 2 (placed morning of shooting)
Call 3 (placed Thursday afternoon when car was discovered)
