The film's home-video sleeve notes declare that this film was produced "from more than 8,000,000 feet of professional newsreel and amateur footage, stills, snapshots and tape recordings."
The film was made and released in 1964, the year following the assassination of U.S. President John F. Kennedy on 22 November 1963. It premiered in New York City on 7 October 1964.
As the vast majority of the footage utilized for this film was shot for broadcast television purposes, the documentary was released in an aspect ratio of 1.66:1, as close as projection could get to academy ratio while still being formatted for widescreen theatrical presentation.
The film was was nominated for an Academy Award for Best Documentary Feature but lost out to Jacques-Yves Cousteau's World Without Sun (1964).
The film's opening prologue states: "Certain scenes have been recreated in the original locations by the actual participants."