Dactyloscopy - Dactyloscopy is when cops take a look at your fingers and kn

Dactyloscopy is when cops take a look at your fingers and know who you are, even if you’re trying to hide.

He tried to hide his finger, but the cop saw it and said, 'I know who you are.'

She used her finger to log into the computer and got caught.

The cop matched his finger to a print from last year and said, 'You’re not getting out of this easy.'