Though it may not be believed since 9/11 there has been more cases in which police, prison guards and many other law enforcement has been said to have used excessive force. They have violated victim's civil rights. In Chicago there was more than 10,000 complaints that were filed against police officers between the years of 2002 and 2004.Then In Milwaukee last year, Frank Jude and Lovell Harris were brutally beaten by three police officers who were not convicted. This led to public outrage in the city. This left the love ones in a state of turmoil and disarray.
http://ezinearticles.com/?Police-Brutality-in-the-United-States&id=3004370
During Hurricane Katrina New Orleans was in a state of turmoil. There was a lot of violence going on. One day Six New Orleans police officers was said to have killed two unarmed civilians a few days after the flood.
This case is known as the Danziger Bridge case. The shooting led to two innocent civilians dead and four wounded badly. These were two totally different shootings that took place on September 4 of 2005. This led to the officers following up with a guilty pleas and them admitting to trying to cover up the shootings.