https://www.youtube.com/watch?v=tPrNiFmTosk
"Completely at random," this particular drone just happens to rise up and focus directly on the area where the shooting occurred, before it was even notable that Rittenhouse was fleeing Rosenbaum.
Timestamp 0:45.
Slow down to 0.25x speed (utilize "playback speed" option after clicking the 'settings' gear).
Watch through 0:50.
See the flash from the handgun in the top right corner of the screen?
Drone operator didn't bother to investigate a gunshot recorded by the camera (active shooter situation ignored). Focused dead-center on where Rittenhouse was running instead. Dead fucking center, captures Rittenhouse shoot Rosenbaum, and drop him.
That's pretty amazing.
Screenshot: https://files.catbox.moe/ec69a1.png
https://files.catbox.moe/obxf5z.mp4
Go to timestamp 0:20. While looking in the upper-right corner of the video, play the video.
It's around 0:23.
As verification, in case you're doubting it happened, it's the gunshot at 0:01 in the following video. https://www.youtube.com/watch?v=grtCaf1-pG4 Rittenhouse fires his AR around 0:04 in this video.