I couldn't find any place else to report this. dustinchan11 uses speed hacks on the PokeWars server part thing. If I need video evidence, please tell me and I'll try to catch him again.
You can report players in our Discord Server through #punishments-report or you can report in the Player Report section in the forums Here is a link to our discord network: https://discord.gg/npnVrS
You can report that player here: http://forums.pokefind.co/index.php?categories/punishment-appeals-and-player-reports.21/ Good luck!