In some takes on the trolley problem (do nothing, five people are run over by a trolley an die, flip a track change switch and two people are run over by a trolley and die) flipping the switch is the morally worse option because then those two people’s deaths are your fault, whereas the five people who die because you did nothing are someone else’s fault. I don’t agree with that take, but it’s taken seriously in philosophy circles.
The New York times did a video analysis that pretty convincingly showed it was a bullet. Why Trump is hiding evidence is just bizarre, like the idea of having to support anything he claims - even true things! - is offensive.
https://www.nytimes.com/2024/07/26/us/politics/trump-shooter-bullet-trajectory-ear.html