Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas Police Detective W.E. "Pete" Barnes with an ink print of Lee Harvey Oswald's right hand in the hallway at the Dallas Police Department headquarters on November 22, 1963.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows an unidentified Dallas Police detective with the materials necessary to conduct a paraffin test at the Dallas Police Department on the evening of November 22, 1963. The test would help determine if suspect Lee Harvey Oswald had gunpowder residue on his person.

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 a Dallas police officer speaking into the radio on his motorcycle outside of Parkland Hospital on November 22, 1963. A crowd of people waits behind the line created by the parked motorcycles.

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 two Dallas police officers on guard in front of the Homicide and Robbery Bureau at the Dallas Police Department on the Saturday morning after the assassination of President Kennedy. Homicide detectives inside the office question suspected assassin Lee Harvey Oswald. The police officer on the right is Max Farris.

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 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 an unidentified Dallas Times Herald photographer. This image shows Dallas police officer Kenneth Heard and other unidentified Dallas police officers standing guard outside the Dallas Trade Mart where President Kennedy was to speak at a luncheon. The Trade Mart is part of the Market Hall complex just north of downtown Dallas.

Original black and white photographic negative taken by a Dallas Times Herald photographer. This image shows Dallas police officer Kenneth Heard and other unidentified Dallas police officers standing guard outside the Dallas Trade Mart where President Kennedy was to speak at a luncheon. The Trade Mart is part of the Market Hall complex just north of downtown Dallas.

Original black and white photographic negative taken by an unidentified Dallas Times Herald photographer. This image shows a Dallas police officer and other unidentified Dallas police officers standing guard outside the Dallas Trade Mart where President Kennedy was to speak at a luncheon. The Trade Mart is part of the Market Hall complex just north of downtown Dallas.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas Police Public Information officer Glenn King(in the center, in uniform, wearing a tie) speaking with reporters in the third floor hallway of the Dallas Police Department headquarters on the evening of November 22, 1963. Nelson Benton, a CBS reporter, can be seen on the left. News cameras from ABC and KRLD-TV are visible in the foreground.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas Police Public Information officer Glenn King (in the center, in uniform, wearing a tie) speaking with reporters in the third floor hallway of the Dallas Police Department headquarters on the evening of November 22, 1963. Nelson Benton, a CBS reporter, can be seen on the left. News cameras from ABC and KRLD-TV are visible in the foreground.

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.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the Dallas skyline on the night of November 22, 1963, after the assassination of President Kennedy. The photographer was standing on a slight elevation west of downtown.