Report is a 1967 short (13 minute), avant-garde film by Bruce Conner.
[1] It consists of found footage concerning the assassination of John F.
Kennedy.
[2] A two-part meditation of JFK assassination that also dissects the phenomenon of the news media as a means of processing the event with recordings of said assassination and other imagery created as a method by Bruce Conner to show the effect JFK's death was to the public and the media.
[3][4] It is listed in the book 1001 Movies You Must See Before You Die.