Because I'm not paranoid enough...

The Thrillist (NY) posted about an online service, www.Spotcrime.com, that breaks down the where/ when/ who/ what/ how of crime in your city. Excellent!
Here's the link: http://www.spotcrime.com/ca/los%20angeles

Here's the Thrillist link: http://www.thrillist.com/archives/2008/05/spotcrime_nyc_new_york_services.html