Why did the guy’s parents continue to allow someone from the FBI around him? They didn’t suspect anything nefarious earlier?
? Not sure if it’s even true, but worth some thought. Monsters are rarely scary looking. They come as friends.
If I understood correctly, he was an orphan, and had just been living with this family for several months - they were not his parents. So who knows whether they helping with the mind control or just innocent people trying to help.