It's a guess that mot many cops live through those situations. This guy did.
The ones that don't make it are honored by the 11-99 Foundation to help their surviving family http://www.chp11-99.org/
If you want to dig a little deeper http://officerinvolvedshootings.blogspot.com/?zx=aede1ce78263df74 is written by a cop in training. From his persective it comes across a lot different than you get from television or movies
San Diego Harley has an annual fundraiser for the 11-99 fund http://www.sandiegoharley.com/event_detail.asp?event=486355