Look for notable signs like blurriness in the foreground or background, pixelation, changes in color, or slower or quicker movements that don't match normal human behavior.
Listen for edited audio, including cutoff speech, sound that's warped or modulated and speech that sounds slower or faster.
HOW TO FIND THE ORIGINAL VIDEO:
Run a clear and identifiable screenshot of the video through reverse image search tools like Google and Bing to find other instances of the video posted online. Also look for logos, credit or handles on the footage to find the original source.
Review recent posts on the alleged uploader's account to determine if they were at the event in question.
Search through news reports and social media platforms to find more information about the event and look for other videos of the same moment.
