You can see a trace behind Trump in the first photo. It’s the photo that was published in the New York Time by Doug Mills (photographer who took the photo of Bush in the classroom on 9/11). He explained that he had his camera shutter speed was set on 1/8,000th of a second which for a political rally is an odd setting to have by default.

I can't speak to the authenticity of the photo, but, for what it's worth, ChatGPT says it should technically be feasible to capture a blurry bullet streak using a paparazzi quality camera using a shutter speed of 1/8000th of a second.