If Owen wanted to go one step past who knows, like actual journalists and media outlets do, he could have learned that the outfit that Pergosian is wearing in that video is identical to the one that he wore in a video that was posted on August 21st, which would have been the weekend in the second half of August, which is when this was recorded. This is two days before the plane crash, and the references he makes to his elimination aren't about that crash.