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Comment by bumby | Hacker News Reader

The path of the bullet isn't the most eyebrow raising to me because bullets take some wonky paths when they collide with bodies. What's a bit concerning is after taking that wonky path, hitting ribs and wrist bones, the bullet came out practically un-deformed and in relatively pristine condition.

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The most plausible explanation I've heard is that after going through JFK's neck and most of Connally's chest without striking bone, it was significantly slowed down so that when it hit Connally's rib and wrist, it was with less than full force so the copper jacket held up better. Warren Commission tests on comparable bullets showed them staying relatively intact even when striking solid wood.

This is a situation, I think, where people's intuitions don't line up well the reality of full metal jacket ammunition, which by design is supposed to deform or fragment less than softer slugs.

I think that's a reasonable enough explanation to change my mind.

I'm no expert, but I thought a bullet deforms due to hydraulic pressure, not necessarily due to contacting a rigid object like a bone.

Are you possibly confusing it with the concept of hydrostatic shock which is more about the wound channel irrespective of bullet deformation?

My favorite theory is that the killing blow was actually done by the secret service, but not because they had a grand scheme to kill him and blame all on Lee, but because the senior members of the SC were hangover and gave rifle duty to a junior that had just completed training. During the commotion of the first shots, he accidentally fired from the second vehicle when it accelerated and killed the US president.

It wasn't really pristine though, its was quite bent along its length. Probably hit bone sideways, etc.

It doesn't look bent much at all (maybe we're talking about different rounds)

https://www.archives.gov/files/research/jfk/images/ce-399-bu...

The images I saw didn’t look deformed at all, but maybe they were not at the best angle

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