I believe parents over sedated Maddie, that the alarm was raised by Gerry during his 9 O'clock check, that upon his return to the tappas bar, he asked two members of the group to go and check on his daughters welfare, (9.30am), that during this visit Maddie's body was removed from apartment 5a, and that by time Kate got around to checking on the children at around 10am, one of the people responsible for Maddie's disappearence, had already left taking Maddie's body with him, the other accomplice left the apartment as soon as Kate stepped foot in the apartment! The slamming of the bedroom door and the blowing inward of curtains at the window was created by way of a vacuum, with patio door open , bedroom window open, and back door on the carpark side of the apartments swung open, could only have occurred with someone else being present in the apartment at the same time as Kate McCann!!