When Anna was arrested and tried for the murder, Louisa was called as a witness. She claimed to have seen Anna acting strangely in the kitchen but couldn't provide any other evidence that she was the killer.
^Louisa, "Murder Mystery", RuneScape. "Elizabeth. Her father confronted her about her constant petty thieving, and was devastated to find she had stolen a silver needle which had meant a lot to him. You could hear their argument from Lumbridge!"