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The Swedish new elimination database – a presentation of the new legislation and discovered contaminations
National Forensic Centre (NFC), Linköping, Sweden.
Linköping University, Department of Physics, Chemistry and Biology, Biology. Linköping University, Faculty of Science & Engineering.
2015 (English)In: Abstract book, 7th European Academy of Forensic Science, EAFS, Prag, Tjeckien, 2015, 2015, 342- p.Conference paper, Abstract (Other academic)
Abstract [en]

The national DNA database in Sweden is managed by the Swedish National Forensic Centre (NFC), previously SKL. The national DNA database has been in use since 1999 when the DNA database legislation gained legal force. Since then, an elimination database (EDB) has also been in use, though not comprised in the DNA database legislation.

Between 1999 and 2010, the EDB was manually managed and mainly DNA profiles thought to be contaminated were searched. The purpose of the EDB was qualitative. Laboratory staff and visitors to the laboratory submitted DNA samples to the EDB on a voluntary basis. Also a few crime scene officers volunteered to submit samples.

In 2010, the DNA profiles in the EDB, about 500 DNA profiles, were transferred to an elimination index in CODIS and crime scene samples were automatically searched against the EDB on a daily basis.

Finally, on the 1st of July 2014, after years of discussions and debate in Sweden, legislation on DNA elimination database gained legal force. The overall aim of the legislation is to strengthen the quality of the forensic DNA analysis. Discovered contaminations shall be investigated to improve the quality processes and minimize the risk of future contaminations. An elimination database match shall be reported back to the case investigator (police officer or public prosecutor) but information on who the EDB sample belongs to cannot be forwarded.

According to the legislation, sampling is mandatory for all staff within the NFC as well as crime scene officers and other officials handling exhibits that can harbour DNA evidence. Staff included in the “old EDB” has been re-sampled.

Elimination DNA samples, obtained between the 1st of July but before the 31st of December 2014, were according to the legislation allowed to be searched “backwards” against the 29000 crime scene samples in the national DNA database.

This presentation will provide an overview of the Swedish legislation on DNA elimination database as well as a presentation of the 44 “backwards” matches obtained when 1139 elimination DNA profiles were searched. The presentation will also provide information on new contaminations discovered with the help of the new EDB.

Place, publisher, year, edition, pages
2015. 342- p.
National Category
Forensic Science
Identifiers
URN: urn:nbn:se:liu:diva-121346OAI: oai:DiVA.org:liu-121346DiVA: diva2:853684
Conference
7th European Academy of Forensic Science, EAFS, Prague, Czech Republic, 6-11 September 2015
Available from: 2015-09-14 Created: 2015-09-14 Last updated: 2015-10-01Bibliographically approved

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