Chapter 7 - Tracing The Complex Ventilation System Through The Mansion
I needed to know where that narrow plastic tube originated within the massive estate. Closing the vent cover loosely, I slipped out of the children’s wing and into the service corridors.
The architectural blueprints of a house this size were usually kept in the basement maintenance office. Descending the steep concrete stairs, I kept my footsteps light and silent against the floor.
The basement smelled of damp stone, laundry detergent, and the unmistakable metallic hum of the central HVAC plant. Rows of copper pipes and massive air conditioning units stretched across the ceiling like a mechanical spiderweb.
I found the main climate control panel mounted on the back wall near the boiler room. A schematic diagram was taped inside the glass casing of the primary control box.
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Tracing the wiring and pneumatic lines for the second-floor nursery wing revealed a secondary bypass valve. This bypass allowed someone to inject substances directly into the children's room without affecting the rest of the mansion.
It was a deliberate, custom installation requiring professional engineering knowledge and complete estate access. Only someone with high-level clearance and technical know-how could have built this silent weapon.
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