The coroner claims no weapon was used. And yet the blows were struck against the large bone at a precise 90-degree angle, as if by a machine.
9 seconds sound clip from the Revenge of the Ninja movie soundboard.
You can hear this line at 00:31:16.167 in the Blu-ray version of the movie.
Quote context
[...]
- Come here. I wanna talk to you.
- This is his head, what's left of it.
- Now, my question to you: Is it possible for a man to do this to another man?
- Could you cause that kind of damage?
- No. It requires special training from childhood.
- Do you know anyone that could?
- There was Arou, a group in Japan that were bone-breakers. About 300 or 400 years ago.
- I'm talking about Thursday at 11:00.
- Come on, we've never seen anything like this before.
- We're up against the wall in this case.
[...]