According to the report, Walker was thrown 110 feet after being struck by the Thomas' vehicle. He hit the car's windshield and then fell onto the road.
Police say Thomas kept going, then made a U-turn and returned to the accident scene.
Walker was taken to WakeMed where he remains in critical condition. Thomas was not hurt.
She was arrested and charged with driving while impaired and with felony serious injury by vehicle in the wreck.
On Monday, Thomas sat in court with her mother. Her mother says Thomas feels terrible about what happened.
Before a judge, Thomas waived her right to a court appointed attorney. She told the judge she'll hire her own lawyer --someone who'll represent her at her next court date on Dec. 6.
Thomas is currently out on a $10,000 bond.