In pictures: John F Kennedy's final hours
As the world remembers the assassination of John F. Kennedy, many have been reviewing his final day and the evidence - now historical artefacts - around his murder.
One of the more enduring images of that fateful day in world history is a photo of President John F. Kennedy and first lady Jacqueline Bouvier Kennedy as they arrive at Love Field in Dallas, Texas less than an hour before his assassination:
Another photo, below, shows Mr Kennedy and the First Lady greeting supporters at Dallas Love Field on November 22, 1963.
In this White House photograph, the motorcade of US President can be seen moving towards the Tarrant County Courthouse in downtown Fort Worth, Texas before his assassination.
Minutes before his assassination, pictured below, the motorcade rolls through the streets of Dallas.
Moments before Kennedy was assassinated, pictured below, the President, Jacqueline Kennedy Onassis, and Texas Governor John Connally ride through Dallas.
After the shooting, US Secret Service agents and local police can be seen examining the presidential limousine, pictured below, as it sits parked at Parkland Memorial Hospital in Dallas, Texas. The car sits under a sign that says "Ambulances Only" as the President is treated inside the hospital.
The evidence
Among evidence around the case is this fingerprint record card for Lee Harvey Oswald, kept in the Dallas Police Department's John F. Kennedy collection from November 23, 1963.
Here Lee Harvey Oswald is seen standing with a rifle in the backyard of 214 W. Neely Street in a photograph acquired from the Dallas Police Department John F. Kennedy Collection. It described Oswald "holding a rifle in one hand and Communist newspapers in the other" in an undated photo believed to have been taken in 1963 in Dallas, Texas.
This image shows the Dallas Police Department homicide report declaring the assassination of former US President John F. Kennedy a homicide.
This FBI laboratory report concerns firearms, fingerprints, bullets and other evidence taken from the Dallas Police Department in its investigation of the assassination, from 1963.
Here Oswald is pictured with Dallas police Sgt. Warren and a fellow officer in Dallas in a photo taken on November 22, 1963.
The November 22, 1963 Dallas Police Department arrest report written by M. M. McDonald for the investigation of prisoner Lee Harvey Oswald. It identifies Oswald in the report as the man who killed President John F. Kennedy and police officer J. D. Tippit.