We have the actual story now:
This is the story told by the family's attorney, when he interviewed with
Inside Edition, which aired 2 hours ago. The little girl wasn't sitting on the window sill after all. He says the grandfather picked her up and placed her to stand on the railing, so she could bang on the window. He let her go for a moment. That's when she fell though the open window, that he didn't realize was open. At the 1:19 mark, it says that law enforcement in Puerto Rico are investigating whether he should face criminal charges. What a horrible mess, all around.