What makes you think that?
3 seconds sound clip from the Beat the Devil (1953) movie soundboard.
You can hear this line at 00:37:24 in the Blu-ray version of the movie.
Quote context
[...]
- You'll be coming on the boat, and in Africa we'll get together and...
- Letting those revolting men order you about.
- Don't deny it. I've watched them. They treat you like a servant. They say hop it, and off you hop.
- I know what it is. They have a hold on you. Some black secret that could ruin you.
- Oh, it happens all the time.
- But... couldn't you have them done away with?
- Why, you must know plenty of people who could bump them off.
[...]