The windows were boarded from the inside. Still, the cracks leaked light. Enough to cast a shadow play of two figures shifting on a mattress.

From the opposite rooftop, three hundred feet away, a pair of binoculars cut through the gloom. The dials clicked, focusing on the boarded window. On the crack where the light bled through.

Then the binoculars lowered. A gloved hand reached up to a helmet mounted on a reinforced tactical collar. The visor flickered—amber, scanning heat signatures through brick.

Two signals. One large, one small. The smaller one trembling.