From the Bureau of Justice Statistics, these data are available at the city level only. However, they provide a fuller and more completel picture of law enforcement trends for the city than the UCR reports alone.

Only available at the city-wide level, the Bureau of Justice Statistics provides Homicide Trends from 1985-2005

This is not an official site. However, it takes the data from the Philly Inquirer for the city in 1999, and for West Philadelphia from the Almanac and maps it in Google maps. A neat site, worth looking at.

Map of Philadelphia Police Districts

Crime Statistics as reported in the Uniform Crime Report for 2001-2006 by Police District

The home of the Philadelphia Inquirer Crime coverage, includes links to the murder maps, plus stories about Crime and Crime victims in the city of Philadelphia.

A map of various violent crimes in city police districts in 2007

An interactive map of Philadelphia homicides in 2007 from the Philadelphia Inquirer

An interactive map of murders in the city of Philadelphia in 2006 from the Philadelphia Inquirer.

Crime statistics for the city of Philadelphia available at multiple levels of geography, including Census Tracts, zip codes, neighborhoods, block groups, and councilmanic districts. Crimes do not inlclude murder and rape.

Crime statistics from 1998-2003, organized by census tract, neighborhood, zip code, and City Council District.

New Yorker; 10/22/2007, Vol. 83 Issue 32, p150-163, 13p

The article profiles author and television producer David Simon. Simon, a former reporter for the newspaper "The Baltimore Sun," created the television program "The Wire" about drug crimes in Baltimore. Convicted drug dealer Melvin Williams plays a role on the program. Simon comments how the program depicts the devaluation of people and how much of the program's content is inspired by real events. He describes his struggle to get the program aired on the cable network Home Box Office (HBO).

This site is a non-profit, freely browsable database of crimes reported in Chicago.

It is not affiliated with the Chicago Police Department or with Google Maps. It is not an official source of crime information for the city of Chicago. Rather, it is an alternative view of public record that is available elsewhere.

Links from CICP for crime statistics internationally.

Difficulty of measuring and comparing international crime  data

Lists data from NACJD that can be used in GIS.