<p>An Indiana State Trooper has been discharged from a hospital after he was wounded in a shoot-out with a driver, who was killed in the shooting, following a traffic stop on Interstate 80/94 early Tuesday in Hammond.</p><p>Just after midnight, the trooper, two Lake County deputies and a Hammond police officer assisted in the traffic stop of a gray Hyundai Elantra for a "minor violation" just east of the Illinois-Indiana state line, Indiana State Police said. </p><p>A shoot-out then erupted between the driver of the Elantra and the officers. The driver, 34-year-old Aaron Barnes from Gary, was hit and died at the scene, state police said.