Thanks for posting the YOU TUBE, "NBC 5 Archive Collection | Assassination Aftermath in Dealey Plaza | Darnell Film".
At the 0:07 - 0:08 portion of this Darnell Snippet, we see a man on the Left holding a camera up close to his face. It looks like he is filming or snapping photos. Knowing that: (1) DARNELL is filming this man on his Left, (2) WIEGMAN is already physically on The Knoll, and (3) Couch is Seated INSIDE Camera Car #3, just who is this man? This man is physically on the street, generally on the South Side of Elm St. and he appears to be filming almost straight down Elm St toward the rear end of Camera Car #1 as it travels toward the Stemmons Sign/Wiegman/Light Pole. Who is this man? Where are the images he appears to be capturing?