Can't always believe what you read (especially on the Internet...my posts
) and from anybody with an "agenda". Experts have been debating this stuff since I was a kid (one can find lots of data to refute either side), and the "reality" is that many LEO agencies, military types, etc. have seen the shortcomings of smaller (.38, 9mm, .357) cartridges when forced to use them, hence the move in recent decades to a "compromise" somewhere in between. Personally, I don't care what any report might say in "theory" if it maintains that a direct shot to the heart with a .44 magnum and the subsequent "stopping power" is simply a myth, but that's just "my reality" I suppose
.