there were no records or information about any individual named Caroline Ellison pleading guilty and agreeing to testify against Sam Bankman-Fried or any other individual. It is possible that this information might have emerged or changed .
To get accurate and up-to-date information about any legal proceedings or cases, I recommend checking reliable news sources or conducting a search using the latest information available. Keep in mind that legal cases can be complex and involve various factors, so it's essential to refer to trustworthy sources for accurate information.