Original 35mm color slide taken by assassination witness Phil Willis showing the intersection of Elm Street and Houston Street, looking north on Houston Street, after the Kennedy assassination. A police car and several Dallas Police officers can be seen on the left, while a fire truck can be seen on the right, directly in front of the Dal-Tex building.

Original 35mm color slide taken by assassination witness Phil Willis showing Dallas police officers, police vehicles, and motorcycles at the southwest corner of Elm Street and Houston Street, looking north on Houston Street, after the Kennedy assassination. The rear of a white car is visible on the left in front of the Texas School Book Depository building while the Dal-Tex building is visible in the background on the right of the image.

Original 35mm color slide taken by assassination witness Phil Willis showing Dallas police officers, police cars, and motorcycles outside the front entrance of the Texas School Book Depository building from the southwest corner of Elm Street and Houston Street.

Original 35mm color slide taken by assassination witness Phil Willis showing Dealey Plaza and the Texas School Book Depository building from Main Street west of Houston Street. The back of the Houston Street peristyle is visible on the right while several figures can be seen standing next to police cars along the north side of Elm Street.

Original 35mm color slide taken by assassination witness Phil Willis showing Dealey Plaza and the Texas School Book Depository building from Main Street west of Houston Street. The Hertz sign on top of the building reads the temperature of 68 degrees. The Houston Street peristyle is visible on the right, the hood of a red car is in the foreground, and several Dallas police officers are visible along Elm Street. This image is commonly known as "Willis 12" by assassination researchers.

Photograph of the Eastman Kodak building at 3131 Manor Way in Dallas, TX. The Eastman Kodak building is visible behind a chainlink fence on the right while a dark red vehicle is parked on the left.

Original black and white photographic negative taken by Dallas Times Herald and United Press International photographer Darryl Heikes. This image shows Dallas Police Sergeant Roy Shipley guarding the site at 404 E. Tenth Street where Officer J.D. Tippit was shot and killed in Oak Cliff, about 45 minutes after the assassination of President Kennedy. The dark spot on the street near Shipley's foot is stained with Tippit's blood.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Lee Harvey Oswald, being escorted back to his jail cell by Dallas Police, in the elevator of the Dallas Police Department on the evening of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image is a camera misfire which appears to show pavement, the lower part of an overcoat with plaid lining, and the rear bumper and back-right tire of a light-colored Ford Galaxie.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer showing a camera misfire.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy exiting the Hotel Texas in Fort Worth on the morning of November 22, 1963. The small crowd surrounding President Kennedy includes Governor John Connally, Assistant White House Press Secretary Malcolm Kilduff, Congressman Jim Wright and Vice President Lyndon B. Johnson.