I don't know how big on a national level this is, but some you guys might have heard this. Over the past 2 years 5 police officers were gunned down basically in cold blood. 4 of them were in the last 11 months.
Officer Cassidy (Oct 31, 2007)
Another Article on Cassidy
There is two more between these two and one cop 1 year prior to Cassidy, but I couldn't find any links
Officer Macdonald (Just recently)
The Shooter of Officer Macdonald (giddings)
How do other cities rate as compared to philadelphia with cop killings?
Also one of the officers was killed about 5 blocks from where I work. Im kinda glad I don't live down there. Im not trying to make fun a philly. There is plenty of nice areas and plenty of things to do, but 4 fallen cops seems to be excessive in the past 11 months.