The video ended because the timer ran out, the debate was set for 45 mins and when the timer ended the video ended, just perfect timing for me because I caught him in a lie.
Circumstantial Evidence: http://legal-dictionary.thefreedictionary.com/circumstantial+evidence
Second Source: https://www.jstor.org/stable/1119816
Conviction using only "overwhelming circumstantial evidence": http://opd.ohio.gov/The-Library/Criminal-Law-Casebook/Circumstantial-Evidence
Yeah, that was unlucky. His face was priceless at that moment. I don't think he would have had a response for that.