The horrifying scream cut off as the hallway door closed behind me, sealing me in the building. I slipped the badass pink stun gun from my coat pocket and held it out in front of me as I made my way to the end of the hall. I pushed my back against the side wall, giving myself a better view of the other door in the hallway-the place where the scream originated. Last night before bed, I watched five YouTube videos on stun gun safety. I honed my skills. Whoever caused that ear drum rupturing scream was about to get the surprise of their life. Dark spots speckled on the gray carpet, and I paused, staring at them. Blood? My foot flicked at one, trying to rub it in. No. Just a design on the carpet. How had I not noticed that? I reached the end of the hallway and stopped directly across fro

