" And stayed down, but his two friends were closing in—they’d be here in ten seconds—and behind them, a block back, that army of flashlights moved like a herd of cattle up the street, the sound of numerous footfalls on wet pavement getting louder and louder. Ethan fled back into the alley, relieved to find that those pair of lights he’d seen last time had vanished. "

― Blake Crouch , Pines (Wayward Pines, #1)