"Get her off me!" Keegan wailed. The woman in the labcoat, lifeless only moments ago, now clamped her teeth onto their squadmate's neck. Edwards, the breach specialist, cleared his sidearm from his holster and aimed at the woman. The woman's mouth oozed with blood as Keegan, on his knees, fought desperately to dislodge her grip. With just 5 meters between them, Edwards had a clear shot but hesitat...