So I was playing on Stadium Melee or w/e it's called and I had knife hack on BUT I wasn't killing across the map; I had simply forgot to turn it off from co-op. There was a bunch of hackers flying around the map with guns and such and they were namechanging. They kept knifing across the map and one of the hackers on my team was hiding under MY name. After the game, I get whispered from this guy saying he recorded the whole thing and he is going to get me banned for hacking. I explain that the hackers were namechanging and I wasn't doing anything but he was still adamant it was me. The awkward thing about this whole situation was that I DID have the knife hack on but I wasn't using it. This was 3/4 days ago and I'm still not banned so I'm thinking it was a bluff, he was ignored or I'm not banned yet. In the event I do get banned, what's the best way to explain my situation?
TL;DR; How should I word my defense against a identity-mistaken ban?