I never saw anything that would qualify as a criminal activity.

It was not possible to broadcast any of that because of an agreement between Jackson and the family [of the child]. Our legal advice was that we could not broadcast it.

Each story we approach in the same way, with curiosity and interest and determination to get behind the image.

We wanted to make sure that the film covered the main issues of his life. Musicianship, appearance.

This was almost two hours of factual documentary. In our audience ratings, barely no one left the programme. The whole of his life is so fascinating and people kept watching for that reason.

The children don't wear their masks at home and in controlled surroundings.

I have an inate curiosity about people.