It's the same thing with things like sex-offender registries. People assume that they can look at the registries and keep an eye on what is going on in their neighborhood.

We've seen estimates of how much the GPS tracking technology will cost Virginia. The number that I've seen is $36 million a year. For a drop in the bucket compared to that, the state can do so much more to prevent these kinds of things from happening.

The reality is that 90 percent of child sexual assaults are perpetrated by someone who is known to a child - a family member, a friend of the family or someone else close.

What the attorney general is trying to do here is well intentioned. But this is only addressing part of the problem.

This kind of legislation can lead to a false sense of security.

Tens of thousands of these predators are never reported or arrested or convicted.