Crime: Genetics

Home Department written question – answered on 30th April 2008.

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Photo of Keith Vaz Keith Vaz Chair, Home Affairs Committee, Member, Labour Party National Executive Committee, Chair, Home Affairs Committee

To ask the Secretary of State for the Home Department what estimate she has made of the number of crimes solved as a result of a DNA sample being on the national DNA database.

Photo of Meg Hillier Meg Hillier Parliamentary Under-Secretary (Home Office) (Identity)

It is estimated that over the period April 1998 to March 2007, there have been approximately 240,000 detections in which a DNA match was available and/or played a part in solving the crime. A breakdown of this figure by year is given in the following table. Figures for the 2007-08 financial year are not yet available.

Number of detections in which a DNA match was available or played a part April 1998 to March 2007
Detected crimes in which a DNA match was available Additional detections arising from DNA match( 1) Total detected crimes in which a DNA match was available or played a part
1998-99 6,151 n/a 6,151
1999-00 8,612 n/a 8,612
2000-01 14,785 n/a 14,785
2001-02 15,894 6,509 22,403
2002-03 21,098 12,717 33,815
2003-04 20,489 15,899 36,388
2004-05 19,873 15,732 35,605
2005-06 20,349 19,960 40,309
2006-07 19,949 21,199 41,148
Total 147,200 92,016 239,216
n/a = Not available. (1) Additional detections may result from the original crime with the DNA match due to the identification of further offences through forensic linkage or through admission by the offender. On average, each 'crime detected in which a DNA match was available' now results in a further 1.06 crimes being detected.

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