seeing him do this , natasha , with whom grey had spent an hour in the unmarked car at the end of mansard lane the night before , and who was another charged with a first aid kit , risked the same ; yet from his vantage point peeking around his doorframe grey saw in gruesome slow motion as mars , alerted to their presence by the sound of glass beneath the sergeants boots , in one movement pulled himself half-up from his somnambulant state and swung the shotgun that had been resting hidden along his right side up and over himself to fire a second round through the already shattered end-door .