Original 35mm color slide taken by assassination witness Phil Willis showing three motorcycles on Main Street leading the motorcade and approaching Houston Street. The Old Red Courthouse is visible on the right while the Dallas County Records Building is visible on the left.

Original 35mm color slide taken by assassination witness Phil Willis showing the Presidential limousine in the motorcade on Main Street approaching Houston Street. President Kennedy can be seen on the right side of the limousine. The Old Red Courthouse is visible on the right of the image while crowds greet the Kennedys as the motorcade passes. This image is commonly known as "Willis 1" by assassination researchers.

Original 35mm color slide taken by assassination witness Phil Willis showing the Presidential limousine in the motorcade from the rear, on Houston Street approaching Elm Street between the Dallas County Criminal Courts building and the Dallas County Records building. The Kennedys and Connallys are visible in the limousine while the Secret Service agents in the follow-up car can be seen behind the limousine. Crowds greet the Kennedys as the motorcade passes. This image is commonly known as "Willis 3" by assassination researchers.

Original 35mm color slide taken by assassination witness Phil Willis showing the presidential limousine and the Secret Service follow vehicle from behind, traveling west on Elm Street through Dealey Plaza. Commonly known as "Willis 5" by assassination researchers, the slide corresponds to Zapruder frame 202 just prior to the first shot.

Original 35mm color slide taken by assassination witness Phil Willis showing the Continental Trailways White House press buss westbound on Elm Street towards the triple underpass. A crowd of people can be seen walking or running in Dealey Plaza, heading west on the south side of Elm Street. This image is commonly known as "Willis 7" by assassination researchers.

Original 35mm color slide taken by assassination witness Phil Willis showing Dallas police officers and a crowd of onlookers outside the front entrance of the Texas School Book Depository immediately following the assassination of President Kennedy. This image is commonly known as "Willis 8" by assassination researchers.

Original 35mm color slide taken by assassination witness Phil Willis showing the upper 3 floors of the Texas School Book Depository building. Two of the windows are open, but neither window is the 6th floor "sniper's perch" window.

Original 35mm color slide taken by assassination witness Phil Willis showing the front entrance to the Texas School Book Depository building and the southwest corner of Elm Street and Houston Street, looking north on Houston Street. A crowd of Dallas Police officers can be seen in front of the Texas School Book Depository building while two boys in red shirts can be seen watching from across the street. This image is commonly known as "Willis 10" by assassination researchers.

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. Several cars are 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. This image is commonly known as "Willis 11" by assassination researchers.

Original 35mm color slide taken by assassination witness Phil Willis showing a crowd behind a rope barrier along Houston Street between Main Street and Elm Street after the Kennedy assassination. There is a white car on the west side of Houston Street in front of the crowd, and the Texas School Book Depository building can be seen in the background along with a number of Dallas police officers.

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, and a Dallas police officer is visible along the left of the image.

Photograph taken by assassination witness Phil Willis showing Dealey Plaza with the Texas School Book Depository building and the Dal-Tex building in the background. The image is taken from Commerce Street by the triple underpass, and several vehicles and a red motorcycle are visible in the foreground. Dallas police officers and police vehicles are visible along Elm Street.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy greeting the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy greeting the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy greeting the crowd at Love Field on the morning of November 22, 1963. Mrs. Kennedy is visible at the left edge of the picture.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President and Mrs. Kennedy greeting the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows the President and Mrs. Kennedy among the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Jacqueline Kennedy, followed by Hugh Sidey of Time Magazine, greeting the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy, followed by Secret Service Agent Roy Kellerman, at Love Field on the morning of November 22, 1963.

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

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy, followed by Secret Service Agent Roy Kellerman, at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy, followed by Secret Service agent Roy Kellerman (partially cut off by the right edge of the image) approaching the fence line at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy waving to the crowd at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy, followed by Secret Service Agent Roy Kellerman, greeting the crowd at Love Field on the morning of November 22, 1963.