Giving the police the finger

Don't worry, if you've got nothing to hide you've got nothing to fear:

PORTABLE computers that take digital fingerprints and compare them against the national police database are being trialled in Waltham Forest Motorists pulled over by traffic police from the Operational Command Unit will be asked to put their fingertips in the machines when they are stopped...

The police spokesman said that if the trail was successful, officers on the beat may get the devices and use them to target people who looked suspicious. [Emphasis added.]