Chronocide - noun - The act of killing time.
This is one of the few cases where an entire genre of murders has gone unpunished. That's right -- millions of people kill time every day, and yet none of them have ever been arrested for it. What did the time ever do to them? In and of itself, the time was obviously an innocent bystander, drawn into this plane of existance by the natural forces of the universe, but other than inadvertently killing every last one of us and everything in the universe, in all eventuality, what did time ever do wrong?