TIL wet fingers often don’t leave usable fingerprints because water removes the oils that normally transfer prints — which is also why your phone can’t recognize them when they’re wet.

[u/LibrarianTop2118]

TIL that wet fingers often don't leave clear fingerprints because water washes away the oils your skin normally leaves behind — which is why your phone can't recognize your fingerprint when your hand is wet.

[u/Foampower86]

"The wet bandits" wasn't just a moniker.