Lorien tells Katharine about when the Queen of Crime became the center of a real-life mystery.

Sources:

• https://en.wikipedia.org/wiki/Dissociative_fugue
• https://my.clevelandclinic.org/health/symptoms/22836-dissociative-fugue
• https://en.wikipedia.org/wiki/Agatha_Christie
• https://psychcentral.com/disorders/dissociative-fugue-symptoms#treatment
• https://www.thenewstribune.com/news/local/crime/article167733012.html 
• https://www.psychologytoday.com/us/conditions/dissociative-fugue-psychogenic-fugue
• https://www.merckmanuals.com/home/mental-health-disorders/dissociative-disorders/dissociative-identity-disorder 
• https://www.webmd.com/mental-health/dissociative-fugue
• https://www.medicoverhospitals.in/diseases/fugue-state/
• https://www.psychologytoday.com/us/blog/hide-and-seek/201203/dissociative-fugue-the-mystery-of-agatha-christie
• https://en.wikipedia.org/wiki/The_Pale_Horse#
• https://www.rosecalendars.co.uk/news/the-strange-disappearance-of-agatha-christie/
• https://www.nytimes.com/2019/06/11/books/agatha-christie-vanished-11-days-1926.html
• https://www.historic-uk.com/HistoryUK/HistoryofBritain/The-Curious-Disappearance-of-Agatha-Christie/
• https://beta.nationalarchives.gov.uk/explore-the-collection/stories/police-report-disappearance-agatha-christie/