The document was signed with the hoofprint of Daring Do, someone Olivia knew nothing about but who Rainbow Dash swore was one of the best and most reliable ponies when it came to undercover work and dangerous missions.  Olivia read over the scan a few more times, along with its notes provided by Forerunner about handwriting interpretation and context. It suggested that the writer was confident about what they were saying, deeply afraid, and that they had a serious problem with their father.