But the dog wasn’t sleeping.
Every time someone stepped too close to the backpack, his head lifted immediately.
His eyes followed them.
And if their hand moved toward the bag, his body tensed as if preparing for something.
About an hour later, a transit maintenance worker named Lucas Bennett came through the terminal carrying a large push broom and a bright orange safety vest. Lucas was thirty-nine years old, broad-shouldered, and already irritated after working since midnight clearing snow from the parking lot outside.