He had heard the fidgeting at the latch of the vent. That was his first clue, he usually had to watch his own back while picking locks or hacking systems but he had to give her she was quiet. Had there been large amounts of conversation or really any other form of noise he wouldn't have been able to notice. When he heard the tell tale "click" of a grenade activating he gave it a good 3 count before diving to the side, the grenade catching on his left arm. He had been too slow without his helmet on and access to his motion trackers. He yanked the grenade that required a good deal amount of effort before tossing it back towards the vent and diving off into a corner. picking up his helmet on the way and throwing it on. "Not funny Virginia. You know that when we get called in we stop playing Cat and Mouse. If I had known you didn't want to comply I would have cranked down the heating a bit before I came here, or started a biohazard alert on this level." Though in all honesty the Director and Counciller had gotten fed up of the little "games." It didn't help that they were both technically infiltration experts. The difference was Virginia had to get herself in while he had to get the team in. "I mean, using a training grenade as well was just plain mean."