A Dutch media venture commissioned a "cold case" investigation into the 1944 arrest of Anne Frank, her family and others hiding with them. Heading the team was a retired American FBI agent.
A short version is here:
https://www.bbc.com/news/world-europe-60024228
A longer interview ("60 Minutes" CBS television USA), including a transcript, is here:
https://www.cbsnews.com/news/anne-frank-betrayal-investigation-60-minutes-2022-01-16/
Although I wonder how much confidence ca