3) Someone who could be a danger to children may show a preference for association with them instead of with his or her own peer group.
If someone has molested a child, there is usually a huge self-esteem deficit and straightforward interaction with adults is too challenging and too risky. If anything said were to tip anyone off, the facade of normalcy could crumble. It’s a whole lot simpler to interact with children – and it provides opportunities for abuse.