That fellow was one of the students. Your son murdered him.
5 seconds sound clip from the Kung Fu - The Punch of Death movie soundboard.
You can hear this line at 00:10:00 in the DVD version of the movie.
Quote context
[...]
- I'm his father. Let go. Let go.
- Well, let me show you what we want him for.
- What do you want here? What is this?
- That fellow was one of the students. Your son murdered him.
- Well, that's what you say. But if he did, then you'll...
- Hold it!
- Ah, serve him right. He had that coming to him.
[...]