Dimitri_sullivan.mp4 -

: Check for "single-frame" insertions that are too fast for the human eye to see at normal playback speeds.

: Sometimes "hidden" messages are visualised in the audio frequency. Opening the file in audio software like Audacity and viewing the "Spectrogram" can reveal hidden text or images. dimitri_sullivan.mp4

: Take screenshots of unique scenes or characters and upload them to Google Images to see if they originate from existing media or stock footage. : Check for "single-frame" insertions that are too

: Use tools like ExifTool or Apache Tika to check for hidden data within the file, such as the creation date, GPS coordinates, or the software used to render it. : Take screenshots of unique scenes or characters

It is possible that this file name is part of a very new or extremely niche project. To provide a helpful guide, I would Common "Investigation" Steps for Unknown .mp4 Files