Since I don't know the exact story, Esther Jane could be the main character. She might be a girl or a woman who has a special connection to Christmas in the story.
There have been many suspects over the years. One theory pointed to a person with a connection to the seedy underbelly of Hollywood at that time. This person might have been involved in illegal activities and had a disturbed mind. But without conclusive evidence, it's all speculation. The case is complex as there were many people who could have had motives, including those who knew the victim Elizabeth Short on a personal or professional level.
Yes, the Book of Esther is considered fictional. It is a story within religious literature that may contain elements of imagination and storytelling rather than being strictly based on historical facts.
It's hard to say for sure. Esther could be inspired by real-life situations but could also be entirely fictional. A lot of factors need to be considered to determine its authenticity.
The truth of the story of Esther is debated. Some scholars point to historical context and cultural factors to suggest it has elements of truth. Others see it more as a moral or religious tale without a direct correspondence to actual events.