Even though he hadn't heard her, Dean had been hurrying up. But even if he had flown there on super-speed legs, the demon still could have gotten away. Took just a second for them to get the idea in their heads and then just be gone.
"Fuck!" Dean cursed, irritated at himself for doing what he felt was such rookie mistake. It was true even if he had had his chalk and managed to draw the trap the demon still could have done the same thing. Yet, all his mind was focusing on was that he had let one get away. That is until he noticed Buffy catching the man.
Shoving the small book into his pocket, he made it near her in a few steps. "Is he alive?"