roll (one's) (finger)prints(redirected from roll their prints)
roll (one's) (finger)prints
To capture a copy of one's fingerprints either using ink or some kind of digital scanning device. You're not under arrest, we just want to roll your prints to distinguish them from any others we might find at the crime scene. The immigration department now uses a digital scanner when they roll people's fingerprints, making it much easier to keep track of them within the system.
See also: roll