I understand that everyone reacts to shock and grief in very different ways, and not its not uncommon to share a happy memories and smile.

However i am not buying that this is a genuine grieving father. Not just because of his calm, playful smiling and the few minutes he takes getting into character, but from his facial expressions. It is easy to tell when someone it lying by their facial and body expressions. An example is his eye movements especially his eyelids. They tend to close longer than a usual blink when they are not in agreement of what is being said. Also there is the nodding or shaking his head when speaking in opposition to what he is saying, all small expressions to tell a person is lying.

The same goes for the mother and father of that little girl. The mother was telling to much. Too many details may tip you off to the person's desperation to get you to believe what is being said.

I have seen many distraught parents on the news when a child goes missing and the genuine parents are those that look like they have not slept for days, puffy eyes, uncontrollable shaking.

All these families appear to be calm, unemotional. I am sorry if that upsets anyone, but that is my opinion.