🚨 "The announcement said 'secure campus.' The students knew it meant someone was inside." Five school lockdown horror stories animated. A girl hid in a bathroom stall. The shooter whispered her name. A teacher barricaded the door with her body. The knob jiggled. Then silence. A student's phone died. She heard the shooter's footsteps for three hours. A substitute teacher didn't know the code. She never came out. A kindergartner hid in the playground tunnel. The police searched for six days.