Quoting MysticWitchKat:" Most molesters offend several times and never get caught given they deal with children, and it's easy ... [snip!] ... laws do much, because simply put it they tend to go after people that a sex offender notification would not benefit."
Well everyone knows that all prosecution of any crime is low compared to times a person offends - no matter what the crime. I smoked pot (always illegally) hundreds of time s& was never caught. I don't do it anymore, but if I did & got caught - it certainly would not be reflective of my "criminal history". Other than maybe things like murder or kidnapping, I think it is likely true for EVERY other type of crime.