Answer:
when the person who killed the old man and the cops where sitting on the planks the disambled body of the old man was under, the person who killed him swore he could hear the thumping of the old man's heart beat.
Explanation:
hope this helps!
-AlphaWolfie-
I think the answer would be purpose. I'm not sure though.
I believe ceaseless is the answer but idk tbh