It's not the registered sex offender who do the trolling, it's all first timers. Those registered already know the penalties, it's the new ones who take the risks and get caught!
Requiring emails:registered offenders, barn door::horse.

USDJ stats prove that SO's are the second LEAST LIKELY to reoffend.

And who pushed wrote and is pushing this legislation through?? John McCain! And now we know why.