TexasCHLforum.com

If you don't hit anything important, it doesn't matter what caliber it is. Bigger calibers that expand just give one a better chance of hitting or nicking something important.

Even then there's no guarantee. Officer Stacy Lim was hit with a 357 magnum round and lived:
http://www.lapdonline.org/inside_the_la ... tacy%20Lim" onclick="window.open(this.href);return false;
http://forums.1911forum.com/showthread.php?t=27656" onclick="window.open(this.href);return false;