Sin's family say they have reliable witnesses, who swear that your father was there.
5 seconds sound clip from the The Shaolin Heroes (1980) movie soundboard.
You can hear this line at 00:25:58.390 in the Blu-ray version of the movie.
Quote context
[...]
- I know that Sin wants you to be dead.
- Lord Sin died very suddenly. What's more, under quite mysterious circumstances.
- It's said your father and Lord Chu were at the scene of his death.
- It's not true, it couldn't be, they were old friends.
- Sin's family say they have reliable witnesses, who swear that your father was there.
- What's more, your father's being held prisoner at this very moment.
- In a hut near the central house.
- Dad!
- Stay where you are, or I'll kill him!
[...]