Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Dallas County Criminal District Attorney Henry Wade and Captain of Homicide and Robbery J.W. 'Will' Fritz (wearing a hat, standing behind Wade) surrounded by reporters in a hallway at the Dallas Police Department headquarters.

Photographs of a paper with the address of "The Worker". It reads: "The Worker, 23 W. 26th St. New York 10, NO. The Worker Box 28 Madison Sq. Station, New York 10, NY."

Evidence photograph of a poster found in Oswald's home. The poster includes scenic photographs and reads: "Visit the USSR!"

Evidence photograph of a poster found in Oswald's home. The poster includes scenic photographs and reads: "Visit the USSR!"

Photographs of an aerial view of the roads below the Texas School Book Depository. Cars line the streets, and buildings are visible to the left and right.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Air Force One on the tarmac at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows an airport worker putting cases back into the luggage compartment of an aircraft at Love Field after a bomb threat on the afternoon of November 24, 1963. In the background on the other side of the plane passengers' feet can be seen as they board the plane via staircase.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows an airport worker putting cases back into the luggage compartment of an aircraft at Love Field after a bomb threat on the afternoon of November 24, 1963. In the background on the other side of the plane passengers can be seen boarding the plane via staircase.

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.

Photographs of two ID cards for Alek Hidell, a known alias of Lee Harvey Oswald. The first is from the United States Marine Corp. The other is a "Notice of Classification" card.

Photograph of an alien document regarding Marina N. Oswald in possession of Lee Harvey Oswald. This item was removed from the home of Lee Harvey Oswald.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows the alleged sniper's perch window on the sixth floor of the Texas School Book Depository. An unidentified Dallas Police detective is visible through the open window.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Eamon Kennedy. This image shows the United States flag flying at half staff outside Parkland Hospital on November 22, 1963.

Evidence photograph of an identification card found in Oswald's home. The card identifies Marina Oswald.

Evidence photograph of an identification card found in Oswald's home. The card identifies Marina Oswald.

Evidence photograph of a document found in Oswald's home. The document is titled "Application for Review of Discharge or Separation from the Armed Forces of the United States."

Evidence photograph of a document found in Oswald's home. The document is titled "Application for Review of Discharge or Separation from the Armed Forces of the United States."

Evidence photograph of a document found in Oswald's home. The document is titled "Application for Review of Discharge or Separation from the Armed Forces of the United States."

Evidence photograph of a document found in Oswald's home. The document is titled "Application for Review of Discharge or Separation from the Armed Forces of the United States."

Original black and white photographic negative taken by Dallas Times Herald and United Press International photographer Darryl Heikes. This image shows assassination eyewitness Charles Brehm giving a telephone interview while at the Dallas County Sheriff's office the afternoon of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows eyewitness Charles Brehm in Dealey Plaza.

Original black and white photographic negative taken by Dallas Times Herald and United Press International photographer Darryl Heikes. This image shows assassination eyewitnesses Jean Hill (left) and Mary Moorman (right) at the Dallas County Sheriff's office the afternoon of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald and United Press International photographer Darryl Heikes. This image shows assassination eyewitnesses Jean Hill (left) and Mary Moorman (right) at the Dallas County Sheriff's office the afternoon of November 22, 1963.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows Assistant White House Press Secretary Malcolm Kilduff and members of the Secret Service walking past ambulance driver Aubrey Rike as they head toward the emergency entrance of Parkland Hospital. The men are walking between a white car from the Oneal Funeral Home and another vehicle, which has one door open. Kilduff made the official announcement of President Kennedy's death a short while later at a press conference held at Parkland at 1:30 p.m. on November 22, 1963.