someone holding a gun, and she then heard another shot. The shot was fired at a car. Barnes then saw a person inside the car slump over, and the car started to roll toward where she was standing. The person who fired the shot got in the back seat of a Mercedes, which then drove off. Barnes identified the defendant as the gunman. Barnes estimated that she was standing about 20 to 25 feet away from the car when the shots were fired, and she testified that she got a good look at the gunman. On June 9, 1993, police officers showed Barnes a brochure of various Mercedes models, and Barnes selected one that matched the car she had seen. About a week later, on June 15, Barnesviewed a lineup and identified the defendant in the lineup at the person who had fired the shots.

On cross-examination, Barnes acknowledged that she had provided different officers with somewhat different descriptions of the gunman. She told the first officer on the scene that the gunman was a black male, 5 feet 11 inches, weighing 170 pounds. Later, she told a different officer that the shooter was a black male, 5 feet 10 inches to 6 feet, weighing 150 to 160 pounds, and 17 to 18 years old. Barnes testified further that the defendant had bushy hair, and that he was the only person in the police lineup with bushy hair. Barnes also said that the defendant had a wide nose and wide lips. Although Barnes told investigating officers