Final answer:
Mrs. Ramsey cannot be ruled out as the author of the ransom note due to similarities in her handwriting, her presence in the house, and her insider knowledge of the family.
Step-by-step explanation:
Mrs. Ramsey cannot be ruled out as the author of the ransom note in the JonBenet Ramsey case because there were similarities between her handwriting and the handwriting in the note. Handwriting analysis experts compared Mrs. Ramsey's writing samples with the ransom note and found some similarities in terms of letter formations, slant, and other characteristics. While this does not provide definitive proof, it raises suspicion and cannot be dismissed.
Furthermore, the note was found inside the Ramsey's residence, suggesting that the author had access to the house. Mrs. Ramsey was present in the house at the time, making it plausible that she could have written the note.
Lastly, the ransom note contained details about the Ramsey family, their financial situation, and specific instructions. This level of inside knowledge indicates that the author was familiar with the family. Mrs. Ramsey, as a family member, had intimate knowledge of their personal lives and could have provided the information included in the note.
Learn more about authorship of the ransom note in the JonBenet Ramsey case