Any police officer worth his salt wouldn't shoot a man for walking up to him and yelling loudly. First rule of gun control, cop or not, is engage your target. First establish the level of threat and react appropriately.
Hail Gunther 7-2-2013
If at first you don't succeed, destroy all evidence that you ever tried.
"Some people never end up going crazy...what a truly terrible life they must lead." - Unknown