You could miss the man if you had a mind to, or you could kill him dead in his tracks.
8 seconds sound clip from the Suddenly (1954) movie soundboard.
You can hear this line at 01:08:45 in the Blu-ray version of the movie.
Quote context
[...]
- Don't play God just because you've got a gun.
- But, you see, sheriff, that's the way it is.
- It's a funny sort of feeling, to have control of life and death. You musta had it during the war.
- You could miss the man if you had a mind to, or you could kill him dead in his tracks.
- And that made you kind of god. And I liked it.
- If that cap pistol was a real gun and I didn't have a gun, he'd be a kind of a god too.
[...]