Story highlights Officers responded to the scene of an auto accident, but found the victim shot in the head

Suspect described as a 30-40 year old white male, driving a red pickup truck

(CNN) Bianca Nikol Roberson had just left a mall where she'd been shopping for new clothes for college.

Her car and a red pickup truck tussled on the road and now she's dead in what police are calling a road rage incident.

"A man in the red pickup truck pulled out a gun and shot her in the head, killing her," said Chester County District Attorney Tom Hogan.

The hunt is on for the suspect.

Police: Suspect's actions 'just unconscionable"

Bianca Nikol Roberson

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