after a round finishes and infected/humans win pops up disconnect your internet and recconect it just after hosts are infected (timing must be perfect) can trigger the "zombie that can still use weapons (runs and makes noises like a zombie) glitch" and the two ARE connected beacuse wen ur shot as a human zombie ur hp immidiately goes to "0" and if a complete infected hits you it works like lifetaker FOR THEM beacuse the game thinks your still a human BUT u cant get infected again so they can just keep infecting you and getting kills. timing MUST be perfect to get the zombie glitch to work its really fun once u get it except for the ocasional time u end up being a human with zombie arms human health and no weapons.
ive given up on perfecting this bug beacuse ive recently got VIP hacks