'Mysterious' events have led her to create an imaginary cellmate, despite the fact she has been in solitary confinement from the start, with a light being shone into her cell every 15 minutes to ensure she has not self-harmed.
'Strange things happen. The toilet flushes, the shower turns on when no one is nearby. When it happens, it alarms the guards so I created a 'cellmate' called A-17 so when something strange happens I blame it on A-17.' https://www.dailymail.co.uk/news/article-10198663/Ghislaine-Maxwell-tells-inside-prison-cell.html
Apparently, she was and is very deep into the business of deception.