An arrest affidavit reveals more details about the investigation into a Carrollton man who is accused of killing his girlfriend and leaving her body in a vehicle on the highway.

Carrollton man charged with murder What we know: On July 21, the North Texas Emergency Communications Center received a call about an unconscious person in a vehicle on the shoulder of southbound I-35 near the 2500 block of Carrollton.

Carrollton Police and Carrollton Fire-Rescue responded and found 41-year-old Vera Pitulic deceased within the vehicle.