I know that we can find a ton of video clips that are like that from Officer Powell's car...but to get a taste of the other side, here are just a few clips that show what cops have to face on a daily basis.
http://www.youtube.com/watch?v=aAhKGlh1OEY
http://www.youtube.com/watch?v=0dBMHF3QvtA
http://www.youtube.com/watch?v=MEpUtoUzE4U
http://www.youtube.com/watch?v=aoBpkDrQLFM
http://www.youtube.com/watch?v=ZITZIvv1c54