Voluntary statement by Arnold Louis Rowland, a witness in Dealey Plaza. He states that he noticed a man in the window of the Texas School Book Depository with a rifle pointed towards the road before the motorcade passed by Dealey Plaza. About 15 minutes later the President passed in front of him and he heard three gunshots.

Voluntary statement by Arnold Louis Rowland, a witness in Dealey Plaza. He states that he noticed a man in the window of the Texas School Book Depository with a rifle pointed towards the road before the motorcade passed by Dealey Plaza. About 15 minutes later the President passed in front of him and he heard three gunshots.

Voluntary statement by Barbara Walker Rowland, a witness in Dealey Plaza. She states that her husband Arnold Louis Rowland pointed out a man in a window of the Texas School Book Depository holding a rifle, but she could not see him.

Voluntary statement by Barbara Walker Rowland, a witness in Dealey Plaza. She states that her husband Arnold Louis Rowland pointed out a man in a window of the Texas School Book Depository holding a rifle, but she could not see him.

Voluntary statement by John Stevens Rutter Lawrence, regarding seeing a man in a suit carrying a rifle. Lawrence states that he left the Texaco Building where he worked with Phil Hathaway and other coworkers to see the President in the parade. He describes seeing a large man, estimated to be around 6'5" and 250 pounds or more, wearing a business suit and carrying a rifle.

Voluntary statement by John Stevens Rutter Lawrence, regarding seeing a man in a suit carrying a rifle. Lawrence states that he left the Texaco Building where he worked with Phil Hathaway and other coworkers to see the President in the parade. He describes seeing a large man, estimated to be around 6'5" and 250 pounds or more, wearing a business suit and carrying a rifle.

Voluntary statement by Julia Ann Mercer regarding men in a Ford truck with what appeared to be a gun case, prior to the assassination. Mercer states that she saw a truck on the side of the entrance road to the overpass. There was a man pulling out a gun case from the back of the truck who proceeded to walk away.

Voluntary statement by Julia Ann Mercer regarding men in a Ford truck with what appeared to be a gun case, prior to the assassination. Mercer states that she saw a truck on the side of the entrance road to the overpass. There was a man pulling out a gun case from the back of the truck who proceeded to walk away.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. Left to right the dignitaries are Fort Worth Chamber of Commerce president Raymond Buck, Democratic state committee woman Marjorie Belew, Texas State Senator Donley "Don" Kennard, Senator Ralph Yarborough (face hidden by microphone), Texas Governor John B. Connally, Congressman Jim Wright at the microphones, Vice President Lyndon B. Johnson, and President John F. Kennedy. This image shows Wright about to introduce Johnson 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 Friday afternoon after the assassination. This image shows a crowd gathered at the southeast corner of Elm and Houston streets at approximately 1 p.m. Police have used thick rope to keep the crowd on the sidewalk and out of the intersection. The front row of the crowd appears to consist mainly of school-age young people.

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 crowd gathered in front of the Texas School Book Depository. Police officers and police motorcycles appear in the midst of bystanders around the southeast corner of the building; the crowd has spilled off the sidewalk into the intersection of Houston and Elm streets. Signs listing the publishers who leased space in the building can be seen on the south and east sides of the building's corner.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows an armed Dallas Police officer in the intersection of Elm and Houston streets following the assassination on November 22, 1963.

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 Police officer standing in the street at the intersection of Houston and Elm streets outside the Texas School Book Depository. The Dal-Tex building is visible behind him; the Book Depository building is not visible.

Original 35mm black and white 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 Police officer, holding a shotgun, standing in the street at the intersection of Houston and Elm streets outside the Texas School Book Depository. The Dal-Tex building and the County Records Building are visible behind him; the Book Depository building is not in the picture.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows a Dallas Police officer holding a shotgun, standing amongst parked cars on the north side of the Texas School Book Depository.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows Captain J.W. "Will" Fritz and Elmer Boyd, both of the Dallas Police Department, exiting the Texas School Book Depository on November 22, 1963. Elmer Boyd carries a rifle in his right 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 in the intersection of Houston and Elm streets. The Dal-Tex Building at 501 Elm Street is in the background.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows several Dallas Police officers holding shotguns, standing in the intersection of Houston and Elm streets near the Texas School Book Depository. The Dal-Tex Building at 501 Elm Street is visible in the background.

Original black and white photographic negative taken by Dallas Times Herald photographer William Allen. This image shows Dallas Police officers, investigators and reporters gathering outside the front entrance to the Texas School Book Depository shortly after the assassination as they waited to learn if any suspects were found inside the building.

Original black and white photographic negative taken by Dallas Times Herald photographer William Allen as police and detectives guard the front entrance to the Texas School Book Depository building within 50 minutes of the assassination. Shortly after this picture was taken, Dallas Police officer M. N. McDonald, right, raced to Oak Cliff to investigate when he heard on the police radio that an officer had been shot there.

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 the south-facing exterior of the Texas School Book Depository as viewed from Elm Street. The southeast corner entrance to the building is visible, along with the first six floors of the building. The building's seventh and top-most floor does not appear in this picture. Open windows are visible on the fourth, fifth and sixth floors of the building.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows the exterior of the Texas School Book Depository the afternoon of November 22, 1963, after the assassination. A police officer and several police motorcycles are visible near the southeast corner of the building. A corner of the Hertz sign can be seen on the roof of the building. Several windows are open on the fifth and sixth floors of the building. An unidentified man in a shirt with rolled sleeves and a tie can be seen moving boxes in the southeast corner window on the sixth floor.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows the exterior of the Texas School Book Depository the afternoon of November 22, 1963, after the assassination. Many police officers stand around the entrance and southeast corner of the building. An unidentified man in a white shirt bends over a box visible in the open southeast corner window on the sixth floor.

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 the exterior of the Texas School Book Depository. Dallas Morning News reporter Jim Ewell can be seen in the foreground of the image. Cars, people and police officers crowd around the base of the building. Windows are open on the building's upper floors, including the southeast corner window on the sixth floor. Piles of boxes can be seen through that window in an area that was later identified as the sniper's perch. The Hertz sign on the roof is partially visible.