They include photos of people never charged, or others cleared of an offence, and were uploaded without Home Office approval, Newsnight has learned.
Photos of "hundreds of thousands" of innocent people may be on the database, an independent commissioner said.
The database complies with the Data Protection Act, police insisted.
Biometrics Commissioner Alastair MacGregor QC said he was concerned about the implications of the system for privacy and civil liberties .... http://www.bbc.com
