That was leaving a single fingerprint behind on the underside of the toilet's flush handle.
He doubted if a forensic team would be able to pull a single fingerprint.
The soldier pointed a thick finger at a single bloody fingerprint on the map.
We haven't been able to come up with a single fingerprint that doesn't belong to the woman.
Yet not a single fingerprint on the handle of that weird weapon fitted any person on the ship!
Not a single fingerprint had been found.
Their cases were the first ever in which a single fingerprint was part of the evidence leading to a conviction.
Couldn't find a single fingerprint in the place!
Television factories assign workers with rags to wipe down every new set, lest a Japanese consumer find a single fingerprint and return it.
On that note, the police found a single fingerprint that they hoped one day would mean something.
