The neighbors heard a child in the back yard and observed a young boy with wet pant legs. The neighbor returned the boy to his home. During this time, the next door neighbor's wife observed Maisie at the bottom of their pool. Her husband retrieved Maisie from the pool and began administering CPR and as 911 was called.The little girl was transported to Memorial Hermann Hospital via LifeFlight, where she was pronounced dead. Child Protective Services was notified and Harris County Institute of Forensic Sciences conducted an autopsy investigation on Saturday, both of which are standard procedures in all death investigations of a child. The Harris County Institute of Forensic Sciences preliminary results ruled the death as a drowning.