The three main things people seem to think of when they think "sex offender" is (1) an 18 year old slept with his 16 year old girlfriend (2) urinating in public and (3) child molester or rapist. There's a lot more situations, and the research shows that they all need to be handled differently, and that the current laws are much less effective than ones actually geared towards rehabilitation would be, at keeping our neighborhoods safe.