One original 35 mm negative strip of Kodak Tri X Pan Film cut into two sections showing 11 images. The images were taken by Dallas Times Herald staff photographer John Mazziotta. The images were taken at the Dallas Trade Mart and at Parkland Hospital on November 22, 1963.The images on this negative strip were taken by Dallas Times Herald staff photographer John Mazziotta at Parkland Hospital that day. There were two Dallas Times Herald photographers at Parkland - Eamon Kennedy and John Mazziotta. Bob Jackson, another photographer who was at Parkland earlier, was not at the hospital when the Johnsons left, as is pictured in the last frame on the strip.