Violent and Sex Offender Register
Overview
In the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, the Violent and Sex Offender Register (ViSOR) is a database
Database
A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality , in a way that supports processes requiring this information...

 of records of those required to register with the Police under the Sexual Offences Act 2003
Sexual Offences Act 2003
The Sexual Offences Act 2003 is an Act of the Parliament of the United Kingdom of Great Britain and Northern Ireland that was passed in 2003 and became law on 1 May 2004.It replaced older sexual offences laws with more specific and explicit wording...

, those jailed for more than 12 months for violent offences, and unconvicted people simply thought to be at risk of offending. In response to a Freedom of Information Act request
Freedom of information in the United Kingdom
Freedom of information legislation in the United Kingdom is controlled by two Acts of the United Kingdom and Scottish Parliaments respectively, which both came into force on 1 January 2005.* Freedom of Information Act 2000...

 in 2009, for example, Greater Manchester Police reported that of 16 people in their area placed on ViSOR since 2007 on their initiative and not as a result of a relevant conviction, 4 (25%) had clean criminal records.
 
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