Yes that part is disgustingTheres alot of articles online sources have come forward about the mccans over the years, there's also videos on YouTube and the Netflix documentary is really good
This has been my theory for years. They gave her too much by accident realised what they'd done and fabricated a whole web of lies and deciete trying to cover up what they'd done. I strongly believe shes buried somewhere in Portugal hence why the cadaver dogs picked up the scent in the car.
Google what Kate mccan wrote about madeline in her book. About the part of her being potentially touched my a paedophile. Then you'll be really creeped out