Look back at the transcript. He was made aware of the camera but threatened to tear the car apart and take care of it.
Interestingly, the recording of the event from the officer’s car has mysteriously disappeared. He claimed that his camera had been malfunctioning, but it was found to be working just fine.
He was aware of the camera, but thought he could destroy the recording. I don't think he really understood "And they upload to secure sources" to mean that the video was being transmitted live to another destination