Original black and white 35mm negative on Kodak Tri X Pan Film taken by Dallas Morning News photographer Bill Winfrey. The image shows several members of the Warren Commission walking down the right lane of Elm Street in Dealey Plaza. Warren Commission members and staff include (left to right): John McCloy, Allen Dulles, John Sherman Cooper, and Richard Russell. The Commission visited the assassination scene to get a better understanding of what happened. Behind them police officers use cones to direct traffic. The Texas School Book Depository is visible in the background, with a man in the southeast corner window of the sixth floor.