These filenames are often cited in public records or legal documents as exhibits for specific incidents.
Many users upload raw files to forums or subreddits (like r/Dashcam or r/Roadcam) to document accidents or near-misses. 2021-10-03_20-50-24_video0_1mp4
The filename follows a standard naming convention used by many dashcams, security systems, and smartphones to denote the date ( October 3, 2021 ) and time ( 20:50:24 ) a recording began. These filenames are often cited in public records
To help you find the specific "piece" or story you are looking for, could you share or what happened in the video ? 2021-10-03_20-50-24_video0_1mp4
If you saw this in a personal drive or a shared folder, it likely refers to a specific private event recorded at that exact moment.