Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows the first Secret Service reenactment the assassination of President Kennedy on the afternoon of November 27, 1963. A light-colored convertible representing the presidential limousine passes in front of the north pergola of Dealey Plaza as it travels down Elm Street. Two men in the convertible are filming the car's progress as it moves down the street. A third man with a camera can be seen in the background, standing on the same plinth where Abraham Zapruder stood when he filmed the assassination.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows a small crowd gathered beside the memorial flowers placed on the grass between Elm and Main streets in Dealey Plaza on November 27, 1963. The north peristyle and the Old Red Courthouse are visible in the background.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows people gathered near the memorial flowers placed by mourners on the north infield grass in Dealey Plaza on November 27, 1963. The north peristyle is visible in the background; beyond that is the Dallas County Records Building.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. Taken on the afternoon of November 27, 1963, this image shows the first Secret Service reenactment of the assassination of President Kennedy. A light colored convertible, intended to represent the presidential limousine, is passing the Texas School Book Depository as it travels down Elm Street, escorted by police motorcycles. Onlookers line both sides of Elm Street to watch the reenactment; memorial flower arrangements are visible on the grass on both sides of the street.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. Taken on the afternoon of November 27, 1963, this image shows the first Secret Service reenactment of the assassination of President Kennedy. A light colored convertible, intended to represent the presidential limousine, is passing the Texas School Book Depository as it travels down Elm Street, escorted by police motorcycles. Onlookers line both sides of Elm Street to watch the reenactment; memorial flower arrangements are visible on the grass on both sides of the street.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows the first Secret Service reenactment of the assassination of President Kennedy on the afternoon of November 27, 1963. A light-colored convertible representing the presidential limousine approaches the triple underpass as it travels down Elm Street, accompanied by police motorcycles.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. Taken on the afternoon of November 27, 1963, this image shows the first Secret Service reenactment of the assassination of President Kennedy. A light colored convertible, intended to represent the presidential limousine, has passed the Texas School Book Depository as it travels down Elm Street, escorted by police motorcycles. The agents in the car, two of whom hold cameras, look back toward the Book Depository. Onlookers line both sides of Elm Street to watch the reenactment; memorial flower arrangements are visible on the grass on both sides of the street.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. Taken on the afternoon of November 27, 1963, this image shows the first Secret Service reenactment of the assassination of President Kennedy. A light colored convertible, intended to represent the presidential limousine, has passed the Texas School Book Depository as it travels down Elm Street, escorted by police motorcycles. The agents in the car, two of whom hold cameras, look back toward the Book Depository. Onlookers line both sides of Elm Street to watch the reenactment; memorial flower arrangements are visible on the grass on both sides of the street.

Original 35mm black and white negative taken by an unidentified Dallas Times Herald staff photographer. Taken on the afternoon of November 27, 1963, this image shows the first Secret Service reenactment of the assassination of President Kennedy. A light colored convertible, intended to represent the presidential limousine, is passing the Texas School Book Depository as it travels down Elm Street, escorted by police motorcycles. Onlookers line both sides of Elm Street to watch the reenactment; memorial flower arrangements are visible on the grass on both sides of the street.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows memorial flowers left by mourners on the grass in front of the north pergola in Dealey Plaza on November 27, 1963.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows Dallas Police officers in the Dallas Police Department headquarterson Monday, November 25, 1963, observing a moment of silence for slain Dallas Police officer J.D. Tippit. The man near the center of the image, wearing dark glasses, is Dallas Morning News reporter Tony Zoppi.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows Dallas Police officers in the Dallas Police Department headquarterson Monday, November 25, 1963, observing a moment of silence for slain Dallas Police officer J.D. Tippit. The man near the center of the image, wearing dark glasses, is Dallas Morning News reporter Tony Zoppi.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows Dallas Police officers in the Dallas Police Department headquarterson Monday, November 25, 1963, observing a moment of silence for slain Dallas Police officer J.D. Tippit. The man near the center of the image, wearing dark glasses, is Dallas Morning News reporter Tony Zoppi.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Andrew "Andy" Hanson. The image shows an unidentified man in the Dallas Times Herald offices on November 25, 1963 with monetary donations collected for the widow of slain Dallas Police officer J.D. Tippit.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Andrew "Andy" Hanson. The image shows shows Fort Worth Police officer J.W. Stout standing guard over Lee Harvey Oswald's grave at the Rose Hill Memorial Park in Fort Worth, Texas, the day of Oswald's funeral, November 25, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows an airport worker and a Dallas Police officer searching luggage on the tarmac at Love Field after a bomb threat on the afternoon of November 24, 1963. A woman watches them search her bag.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer, possibly Eamon Kennedy. This image shows a basket filled with two bottles and other household items, possibly for the Oswald children, in the backseat of a car parked at Parkland Hospital on November 24, 1963. A KRLD station wagon is visible in the background.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer, possibly Eamon Kennedy. This image shows a basket filled with two bottles and other household items, possibly for the Oswald children, in the backseat of a car parked at Parkland Hospital on November 24, 1963. A KRLD station wagon is visible in the background.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows an unidentified Dallas Police officer being filmed as he walks toward the emergency entrance of Parkland Hospital soon after the arrival of Lee Harvey Oswald on November 24, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Dallas Police officers guarding a doorway at Parkland Hospital after the death of Lee Harvey Oswald on November 24, 1963. The officer on the left is Weldon E. "Rusty" Robbins.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows a group of Dallas Police officers in a hallway at Parkland Hospital after the arrival of Lee Harvey Oswald on November 24, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows two Dallas Police officers in a hallway at Parkland Hospital after the arrival of Lee Harvey Oswald on November 24, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows Dallas Sheriff Bill Decker speaking to reporters while awaiting the arrival of suspect Lee Harvey Oswald outside the Sheriff's office on Sunday, November 24, 1963. Oswald was to be transferred from the city jail on the east side of downtown Dallas, to the county jail, which is located on the west side, bordering Dealey Plaza.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows Dallas Sheriff Bill Decker speaking to reporters while awaiting the arrival of suspect Lee Harvey Oswald outside the Sheriff's office on Sunday, November 24, 1963. Oswald was to be transferred from the city jail on the east side of downtown Dallas, to the county jail, which is located on the west side, bordering Dealey Plaza.