GoogleMap Sex Offenders

http://www.mapsexoffenders.com/

From Lifehacker.com:

Megan's Law meets Google Maps: Web site MapSexOffenders.com shows you, that's right, convicted sex offenders who live near you imposed on a Google Map.

Enter your street address and see surly pictures of people who have done time for doing bad things in your neighborhood, along with their name, address and a link to more information about their crime.