Chapter 4
The silence after that had weight, the specific weight of a moment that is costing someone something they did not budget for.
Mercer closed the folder slowly.
"What do you need?"
I told her: full access to the kennel area, raw incident reports not summaries, handler schedules for three months, training logs, command sequences. I told her I needed handlers out of the space while I worked.
She said the animals were dangerous. I said I knew. She said if something escalated. I said I step back.
She slid a temporary pass across the table.
"Twenty-four hours," she said.
I picked it up and stood.
"Is there anything else in that service record I should know about?" she asked.
May you like
"I was good at my job," I said. "That's all."
The supply corridor behind the north wall turned out to have two things in it that nobody had known to look for. The first was a malfunctioning ventilation unit that was producing a high-frequency oscillation at approximately 18 kilohertz — below the reliable threshold of human hearing, well within the range of dogs. It had been cycling on for forty-three seconds and off for twelve in a pattern that Rex had been tracking through the wall for fourteen days, which was why his pacing had that precise, grinding quality of an animal trying to solve a problem it cannot locate. The second was a residue of training-explosive compound that had been stored in the corridor eighteen months earlier, which the ventilation unit was pulling through a crack in the concrete wall approximately twice per cycle, producing an irregular scent stimulus that Dax, who had done explosive detection work, was responding to with the rigid alertness of a dog that had been trained to signal and was not being responded to.
