Question re Zipper (spoiler)

There were actually two other witnesses to Zipper's death.
When John retreats to Zipper's new motorcycle, you can see
other residences in the background & two people emerging.
The argument escalates to a degree audible enough for them
to hear the shouting. Zipper then begins shooting. One of
his shots actually strikes the first bystander, who falls.
The second bystander then runs to the first one's aide.
It happens when John says "You're shooting people, Zipper!"
( or words to that effect ). Just look over Robert Blake's
shoulder during the scene & you'll see it all. The camera
even zooms in to make it more clear, but it happens very fast.
Robert Blake's body is in most of the frame when them moment
occurs, potentially distracting the viewer's attention from
these important details.

One can easily assume the person Zipper shot didn't die & subsequently
( along with the second bystander ) corroborated John's report of the
unfortunate incident.

There is the possibility that John never would have fired had Zipper
not endangered the lives of these two people.

- K