Woman Discovers Buried Bunker in Her Backyard, Then She Sees Why

First clue

“Why didn’t I realize it sooner,” he whispered. He captured Lindsey’s and Flint’s attention as he continued speaking. “I just remembered. A group of visitors were unusually interested in a couple of items. Some of which are now missing!” His voice trembled with excitement. Lindsey and Flint looked at each other. This was their first clue! “Maybe we can retrace your steps?” Flint suggested. The others nodded in agreement.