http://www.ibisgaming.com/forums/sho...-Zm-Rules-v2-9

under "Glitching":

Prenuking an escape map before the objective is complete: (zm_atix_helicopter)

you have 4 previous bans, you've been around plenty long enough. you were specifically trying to get the zombie up there, and i warned the zombie to try not to prenuke if he's knifed up there again.