Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination - between 12:30 and 1 p.m. This image shows a Dallas Fire Department fire engine in the intersection of Elm and Houston streets. Police officers and cars and men wearing fire department coats and hats fill the intersection. Crowds can be seen on the sidewalks and people also lean out of office windows in the Dal-Tex Building.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy and Vice President Lyndon B. Johnson along with Lady Bird Johnson at the Fort Worth Chamber of Commerce breakfast at the Hotel Texas in Fort Worth on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. The image shows George Senator, Jack Ruby's roommate. Senator took reporters and photographers to the apartment he shared with Ruby on Sunday, November 24, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. The image shows George Senator, Jack Ruby's roommate. Senator took reporters and photographers to the apartment he shared with Ruby on Sunday, November 24, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows two Dallas Police officers (Left: Inspector J. Herbert Sawyer. Right: Marvin Wise.) guarding the entrance to the Texas School Book Depository on November 22, 1963 after the assassination. The officer on the right holds a shotgun in his left hand.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows Dallas Police officers outside the entrance to the Texas School Book Depository.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows Dallas Police officers on the northeast corner of the Texas School Book Depository on November 22, 1963. Police officers have used rope and vehicles to separate the crowd from the building.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows Dallas Police officers on the northeast corner of the Texas School Book Depository on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows Dallas Police officers on the steps to the entrance of the Texas School Book Depository on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy and Vice President Lyndon B. Johnson along with Lady Bird Johnson at the Fort Worth Chamber of Commerce breakfast at the Hotel Texas in Fort Worth on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy and Vice President Lyndon B. Johnson at the Fort Worth Chamber of Commerce breakfast at the Hotel Texas in Fort Worth on November 22, 1963. Lady Bird Johnson is at the left edge of the picture.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy and Vice President Lyndon B. Johnson along with Lady Bird Johnson at the Fort Worth Chamber of Commerce breakfast at the Hotel Texas in Fort Worth on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald photographer William Allen. This image shows President Kennedy greeting the crowd outside the Hotel Texas in Fort Worth. The cameraman at right is WFAA-TV's Tom Alyea.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy shaking hands with the crowd in the parking lot of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy shaking hands with the crowd in the parking lot of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy in Fort Worth waiting to speak on the morning of November 22, 1963 in the parking lot at the Hotel Texas.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy in Fort Worth waiting to speak on the morning of November 22, 1963 in the parking lot at the Hotel Texas.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy in Fort Worth waiting to speak on the morning of November 22, 1963 in the parking lot at the Hotel Texas.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy in Fort Worth waiting to speak on the morning of November 22, 1963 in the parking lot at the Hotel Texas.

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.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy shaking hands with the crowd following his speech in the parking lot of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald photographer William Allen. This image shows President Kennedy shaking hands with members of the crowd outside the Hotel Texas in Fort Worth the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy shaking hands with a horse-mounted deputy sheriff at the end of his speech in the parking lot of the Hotel Texas in Fort Worth on the morning of November 22, 1963. Tarrant County Deputy Sheriff Raymond "Sonny" Fisher, in the background, awaits his turn to shake the president's hand.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows President Kennedy in Fort Worth speaking on the morning of November 22, 1963 in the parking lot at the Hotel Texas.