Cheaters
If you ever suspect someone of using unfair assistance, report it.
https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
But @GM_chess_player is correct, that is a discussion that is not allowed in the general forums.
Once you've been here long enough, you can join the following club if you want some additional information.
https://www.chess.com/club/cheating-forum