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Taking up the viewer, you set the controls to scan in the infrared spectrum and then raise it to your eyes. At once the effects of the storm disappear and you see a detailed heat picture of the surrounding urban landscape. The light is radiating from a shop doorway, which shows up as a vivid red glow. You also notice two other sources of heat. They are clansmen and they are crossing the street less than thirty yards ahead. They move slowly, their heads bowed against the storm, and you can make out the distinct shape of rifles, which show up as cooler zones superimposed upon their backs.
Patiently you wait for the clansmen to enter the glowing doorway, and then you restart your roadster and continue along the street.
