A woman found Monday on the side of a north Lafayette Parish road near Duson died from a single gunshot wound to the head, authorities said Thursday, citing a preliminary autopsy report.

Valerie West, 19, was found unconscious and unresponsive at 10:30 p.m. near the 600 block of Gazette Road, Lafayette Parish sheriff’s Capt. Craig Stansbury said.

Medical responders were unable to revive her.

Stansbury said the case is being investigated as a homicide. He waid police will continue to search for a suspect as a full autopsy is conducted.