I honestly don't understand
As Fraser pointed out, being a "sex offender" says nothing about the nature of the person of the "crime". An 18-year-old who had consensual sex with a 16-year-old can be arrested and forever branded as a "sex offender". Someone who gets drunk and gropes the wrong woman can be arrested and forever branded as a "sex offender". Worse, as we've seen pointed out here, a 16- or 17-year-old who posts nude pictures of herself on the internet can be arrested and forever branded as a "sex offender" (I ask you, who did she harm?). The trouble with the term "sex offender" is that it covers such a broad spectrum, it's meaningless. It's like calling criminals "criminals", and treating them all the same, whether they were arrested for stealing a loaf of bread or for murder.
Aside from that, I honestly don't understand what this country's problem is with "sex offenders". These people have been arrested and have served their time in prison. They have (according to the law) repaid their debt to society. They are *SUPPOSED* to be free. So why does the government then try to keep them isolated from everyone else? You can't go here, you can't go there, you can't go on social networking sites... If you want to isolate the people, why not take it to its logical conclusion and just put them in solitary confinement? That's what you want to do anyway. The way I look at it is this: *IF* someone is not fit to be released back into society, then don't release them back into society. Then again, in my opinion, the TRUE sex offenders (rapists, people dealing in child porn, etc) should be permanently removed from society. Why should someone who posted nude pictures of herself be prevented from accessing social networking sites for the rest of her life?
As for the "What would you do if..." comment, I would do nothing. I'm so sick of the "let's ban X person from this place because children might go there". Being on a social networking site, no matter who you are, should not be a crime. Soliciting sex from minors using that site should be (and is). Can you not see the difference? I'm so sick of this preventative society we're turning into where everyone is considered guilty, period. Sure, Christians tell us we're born with original sin. But no one told me I was born with original guilt.