On Thursday, officers arrested 18-year-old Brian Lovon Little and charged him with first-degree murder and murder of an unborn child.
He is accused of killing Aiyonna Clarice Barrett and her unborn daughter.
READ MORE: Death of pregnant 18-year-old in Southern Pines now investigated as double homicide
Barrett's body was found in a vehicle in a wooded area near South Gains Street Sunday night. Police said she had a single gunshot wound to the head.
Police said they believe they found the weapon used in the shooting.
Authorities have not released any information about a possible motive in the case.
Little is being held in the Moore County Detention Center without bond pending a hearing on April 24.