Thomas Crooks was talking to imaginary people, dancing alone in his room and even researched the distance for the assassination of President John F. Kennedy before attempting to assassinate President Trump in July 2024.

https://nypost.com/2025/06/10/us-news/thomas-crooks-searched-for-jfk-assassination-distance-was-talking-to-imaginary-people-before-trying-to-kill-trump/