Actually singles sites reccomend the same rules anyone should follow -- meet in a public, well-lighted place, and other general rules of safety....
it's not like they run background checks on their members! Though if they did I'd sign up. At work like a month ago I made a joke to a guy about him being on probation and he goes, "well, *actually*....."
*sigh*
Washington, D.C. fraternity boys?