Personal Stuff
“There’s a huge amount of personal stuff in those records that are private for a reason,” the producer said. “To access their records for the first time in years … that, I think, has been an accomplishment to them. To have some sense of ownership of this after having no control for many years over how their lives were orchestrated.”

Source: Channel 24
In the documentary, the brothers talk openly about what it was like to be studied, seemingly unaware that those tests they were given were not part of a regular child development study.
And some of those tests were filmed…