"Unless the killers already had the place staked out with spies of their own," Francesca muttered. She looked up at the elf in a moment of understanding, and he switched his perceptions immediately, probing for a mage in the area. He had to be there. Serrin found him for an instant, before the masking shut him out. He got a strong impression of movement, receding into the distance, and that gave him a fix.