It's not easy, but it can be done. At Barcelona's Mobile World Congress, WSJ's Archibald Preuschat shows the security pitfalls of fingerprint security, and what companies are doing about it.

Jack Newton, studying military and protective services at the college, said the prince helped them by dusting aluminium ...

The Prince of Wales chatted to students at a fake crime scene The Prince of Wales ... powder onto the side of the car to reveal a fingerprint of a suspect. "It showed that he was really interested ...

A fingerprint was found on a cellphone after ... Authorities found a gun, a silencer and a fake ID that matched the information Mangione used to check in to a hostel before Thompson’s killing ...