You just need to input the address, city or zip code and it instantly shows you a list of names of registered sex offenders with a map of their registered locations pinned on the map. It even shows the crimes and mug shot of each offender.
![](http://2.bp.blogspot.com/_V48_SiJm-_g/RtD9SBRL3iI/AAAAAAAABMk/gxbsjnaNM_s/s400/1.png)
You can check your area (and probably be a bit freaked out) at Vision 20/20
For other Maps Mashups Click Here