Government Official Says It's Too Expensive to Delete All the Mugshots of Innocent People in Police Databases

At least 19 million facial images are contained in the Police National Database (PND). Hundreds of thousands of these photos are believed to be of people who were never charged with or convicted of a crime.

from gizmodo http://www.gizmodo.co.uk/2018/04/government-official-says-its-too-expensive-to-delete-all-the-mugshots-of-innocent-people-in-police-databases/