Читерство!
https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
If you feel an opponent is using disallowed resources you should report them: https://support.chess.com/article/209-how-do-i-report-someone
That said, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums.