>>510322361
No she was standing behind him.
There was a nuclear facility near by, and one of the pipelines went trough the area they were in. A scientist was likely inspecting the pipe, popped up to see who was there, saw the family, and quickly went out of view.

The family wasn't paying attention so they thought no one else was there, and they were interviewed because the government wanted to know why they were up to near the nuclear waste pipeline.

Really worth a watch: https://youtu.be/hUjy2sC70YQ