Chapter 5 - The Missing Key

"They don't want the building," Graves said, the realization hitting him like a shockwave. "They don't care about municipal redevelopment. They’re tearing down 114 Aldridge because of what’s inside it."
Mom looked at him, her eyes wide with dread. "David lived in this building before we met. When he was just an enlisted corporal stationed at Fort Aldridge. He always called this apartment his 'safe haven.' Before he deployed on that final tour, he spent two days here alone, painting the walls, fixing the plumbing."
"He didn't just paint the walls," Graves muttered. He began pacing the room, his eyes scanning the baseboards, the air vents, the heavy cast-iron radiators beneath the windows. "David knew how Aegis operated. He knew their digital surveillance capabilities were limitless. If he had the primary physical drive containing the encrypted ledger, he wouldn't have carried it into the combat zone. He would have cached it somewhere boring. Somewhere ordinary."
Mom’s gaze slowly shifted down toward the tarnished silver coin hanging around my neck.
"Ruby," Mom said, her voice shaking. "Come here, baby."
I walked over, clutching the coin in my small fist. General Graves knelt beside me, his large hand gently unclasping the cord from around my neck. He brought the coin up to the dim light of the kitchen bulb.
"It’s not a challenge coin," Graves said, his fingers tracing the notched perimeter. "It’s a tumbler key for a biometric field safe. A military-grade Pelican vault, Model 400. The Navy SEALs use them for deep-cache storage."
"Where would he put a vault in an apartment like this?" Mom asked, looking around the peeling walls.
"David was a combat engineer before he transferred to logistics," Graves said, a ghost of a smile touching his lips. "He knew weight-bearing loads and structural voids better than any architect. Miller!"
The door opened instantly. Captain Miller stepped in, closing the door behind him. "Sir?"
"Get my field kit from the SUV. The infrared thermal scanner and the pneumatic pry bar. Move quietly. Don't let Thorne see what you're bringing up."
"On it, sir."
While Miller was gone, General Graves pulled a chair over to the center of the living room and sat down so he was level with me.
"Ruby," he said softly. "You did something extraordinary today. Most grown men I know would have tucked that nine hundred dollars into their pocket and made up an excuse. Why didn't you?"
I looked at Mom, who was watching me with tears in her eyes. "Because Mom worked three jobs this winter when the heat was broken. She scrubbed floors at the hospital until her fingers bled, but when the cashier at the pharmacy gave her ten extra dollars in change by mistake, she walked two miles back in the snow to give it back. She told me that once you let poverty steal your character, you have nothing left."
General Graves looked at Sarah Vance. There was a look of immense reverence in his eyes—a reverence he usually reserved for battlefield heroes.
"David chose well," Graves said simply.
The door creaked open, and Captain Miller returned, carrying a heavy black pelican case. He popped the latches and handed Graves a handheld device that looked like a thick tablet with an optical sensor attached.
Graves powered it on. The screen glowed with a thermal gradient—deep blues, greens, and yellows representing the temperature variations of the apartment's structure. Graves swept the scanner slowly across the living room walls. Nothing. Just wooden studs and hollow plaster.
He moved toward the hallway. Nothing.
Then he walked into the tiny kitchenette, pointing the lens down toward the floorboards directly beneath the old cast-iron sink.
The screen lit up with a sharp, rectangular silhouette of deep purple. A temperature anomaly. A void beneath the subfloor that was insulated from the rest of the damp foundation.
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"Under the water main," Graves said, his eyes glittering. "The moisture from the pipes masks the density. David, you brilliant son of a bitch."
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