First an abc news exclusive follow-up to the horrifying attack at california's cat haven, a worker who spoke to the young victim right before she was killed by a lion is telling her story. She is also... See More
First an abc news exclusive follow-up to the horrifying attack at california's cat haven, a worker who spoke to the young victim right before she was killed by a lion is telling her story. She is also the one who called 911 after finding the woman lying unconscious. Abc's clayton sandell has that story. Reporter: It's a memory meg paul's would like to forget the day this california sanctuary, a haven for big cats became a living hell. It was just over a week ago when a 550-pound lion named couscous escaped and pounced on dianna hanson killing her instantly. The lion has been taken care of. Reporter: Pauls was the first person on the scene and is speaking out exclusively to abc news. I came around the corner and I saw her behind the bush on the ground and I called to her and couscous was near her. She looked as if she was unconscious. There was no response. Reporter: She says she's been overcome with grief and that hanson's death was a terrible accident. Couscous is not to blame. He was just being a cat. He was just being a lion. Reporter: The owner of the sanctuary took us for a first look inside the cage to the very spot where deputies were forced to kill couscous. He believes hanson left a gate open, a fatal tragic mistake. The door ha shouldn't have been open which the guillotine door at the top. Reporter: With no witnesses to the attack. Before we start placing blame let us finish our investigation. Reporter: Many questions about that day may never have answers. For "good morning america," clayton sandell, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.