There are a myriad of methods to search for people online. From high school buddies to registered sex offenders in your area..it's all there. Some sites suit stealthy searches; like background checking, public records access, or finding out if any of your neighbors are convicted felons. Others will return a phone number, street address. And of course there are sites that speak to the most basic of human desires: the need to connect with others.
Click
HERE for a site that has a whole slew of links to other sites that search for people in many different ways. If you're looking for someone, this is a good place to start.
This one site
CLCK HERE seems more promising then others I have tried.