Mr Jody Hudson wrote:The primary difference is in the hydrostatic shock that is temporarily experienced by the recipient as a result of the combination of speed, diameter, weight and penetration
Hydrostatic shock is part of the myth.
I've read all three parts of that FBI report. The link above is the third part and a summary of the first two. The authors conclusion is that an ill place shot with a 230gm bullet fired from a .45 acp has shone to be more effective then an ill placed 115 or 147gm 9mm.
It dispels the David v Goliath myth.
Bullet placement is the most important followed by bullet weight. Velocity as to creating a larger temporary cavity didn't seem to help.
To me this study and the one they did back in the early 1900's both show that for handguns a .45 or larger is king. That's why old muzzle loaders and flintlocks were .50 cal. There has never been a study done that proved that the speed of the bullet was a factor in handgun deaths.
The same can be said for rifles. Caliper trumps speed every time. Once you get past mach 2 speed makes very little difference. Caliper and weight is what wins.
Many of our troops that are in battle say the same. Give them a .30 cal rifle and a .45 handgun and more of the enemy would be dead. The .223 AR-15 and the 9mm handgun doesn't stop or kill quick enough.
But the been counters say different.
"The human race divides politically into those who want people to be controlled and those who have no such desire." - Robert A. Heinlein
What a shame that we have the two major political parties that believe the former.