“I had a video file stored on three different and unconnected drives and a copy stored on a cloud backup service. ALL were zeroed out.”
Did you keep the same file name and content as the original?
Most compliance enforcement is automated matching name, size and date.
Yes. But, it was all at home so it wasn’t done via a automated compliance system. I was not personally under any kind of restriction from having it. Space Shuttle Downlink videos were not classified.