In the few videos above, he doesn't appear to move at all after the shot is fired. That seems strange to me. So the shot makes no immediate kinetic effect on his body whatsoever? Very strange.
I meant to add this in my previous post - from the yahoo news article:
That could account for the immediate lack of movement.Abe, who was Japan’s longest-serving leader, was shot from behind on Friday while speaking at a campaign event in the western city of Nara. The 67-year-old went into cardiac arrest and was airlifted to a nearby hospital, where he was pronounced dead.