Moments before the assassination of Japanese Socialist Party leader Inejiro Asanuma (1960)
(media.piefed.social)
https://en.wikipedia.org/wiki/Assassination_of_Inejir%C5%8D_Asanuma
I remember watching a slowed-down gif of this with a friend and feeling so bizarre that we can relive moments of the past so vividly with modern technology.