This man name NEEDS to be published, you NEED to explain to your kids (In proper language and age appropriate) who are bad people and not to let people touch them in bad ways.
You train your kids what to eat and what not to eat due to Kashrus, train your kids not to let adults behave inappropiratly around them and if someone does have them tell you.
If you want to defend to torah, A Rasha must be exposed for being a Rasha