Three. There were no fingerprints on the murder weapon other than hers,
4 seconds sound clip from the A Shot in the Dark (1964) movie soundboard.
You can hear this line at 00:39:37.258 in the Blu-ray version of the movie.
Quote context
[...]
- Ah. Ah.
- Ah!
- Ah.
- One. She was found with the murder weapon in her hand.
- Two. The murder weapon was fresh with blood.
- Three. There were no fingerprints on the murder weapon other than hers,
- And four. All the members of the Ballon household staff have perfect alibis.
- Now then, Hercule, what do these facts add up to?
- Maria Gambrelli killed Georges the gardener.
- You are an idiot. Only a fresh-faced novice would come up with a conclusion like that.
[...]