The Perfect Alibi

Previously

…The air inside was stale, heavy with the scent of damp concrete and something else… something metallic and acrid, like old oil and decay. I dropped inside, landing with a soft thud on the gritty floor. My eyes, accustomed to the dim light, scanned the vast interior. Rows of empty shelves stretched into the gloom, like skeletal remains of a forgotten industry. Cobwebs draped everything, creating an eerie, spectral landscape. My small flashlight beam cut through the darkness, revealing the extent of the decay. Dust motes danced in the light, the only sign of movement in the oppressive stillness. I moved cautiously, my footsteps muffled by the thick layer