You could also equally pass it off as a member of the team using 'ten four' just as a colloquialism too. We all know what it meant, for example, and our characters would know the same.
He was cut off as she kicked him savagely in the groin, pulling her knife out as she smashed him savagely against the wall and plunged the knife into his throat before smashing his now limp body to the ground. “Нет.”