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The use of forensic DNA analysis in humanitarian forensic action: The development of a set of international standards. Forensic Sci Int 2017; 278:221-227. [DOI: 10.1016/j.forsciint.2017.07.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 05/29/2017] [Accepted: 07/02/2017] [Indexed: 02/05/2023]
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Farhan MM, Hadi S, Iyengar A, Goodwin W. Population genetic data for 20 autosomal STR loci in an Iraqi Arab population: Application to the identification of human remains. Forensic Sci Int Genet 2016; 25:e10-e11. [DOI: 10.1016/j.fsigen.2016.07.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/28/2016] [Accepted: 07/27/2016] [Indexed: 11/16/2022]
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Vullo CM, Romero M, Catelli L, Šakić M, Saragoni VG, Jimenez Pleguezuelos MJ, Romanini C, Anjos Porto MJ, Puente Prieto J, Bofarull Castro A, Hernandez A, Farfán MJ, Prieto V, Alvarez D, Penacino G, Zabalza S, Hernández Bolaños A, Miguel Manterola I, Prieto L, Parsons T. GHEP-ISFG collaborative simulated exercise for DVI/MPI: Lessons learned about large-scale profile database comparisons. Forensic Sci Int Genet 2015; 21:45-53. [PMID: 26716885 DOI: 10.1016/j.fsigen.2015.11.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 11/13/2015] [Accepted: 11/17/2015] [Indexed: 11/24/2022]
Abstract
The GHEP-ISFG Working Group has recognized the importance of assisting DNA laboratories to gain expertise in handling DVI or missing persons identification (MPI) projects which involve the need for large-scale genetic profile comparisons. Eleven laboratories participated in a DNA matching exercise to identify victims from a hypothetical conflict with 193 missing persons. The post mortem database was comprised of 87 skeletal remain profiles from a secondary mass grave displaying a minimal number of 58 individuals with evidence of commingling. The reference database was represented by 286 family reference profiles with diverse pedigrees. The goal of the exercise was to correctly discover re-associations and family matches. The results of direct matching for commingled remains re-associations were correct and fully concordant among all laboratories. However, the kinship analysis for missing persons identifications showed variable results among the participants. There was a group of laboratories with correct, concordant results but nearly half of the others showed discrepant results exhibiting likelihood ratio differences of several degrees of magnitude in some cases. Three main errors were detected: (a) some laboratories did not use the complete reference family genetic data to report the match with the remains, (b) the identity and/or non-identity hypotheses were sometimes wrongly expressed in the likelihood ratio calculations, and (c) many laboratories did not properly evaluate the prior odds for the event. The results suggest that large-scale profile comparisons for DVI or MPI is a challenge for forensic genetics laboratories and the statistical treatment of DNA matching and the Bayesian framework should be better standardized among laboratories.
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Affiliation(s)
- Carlos M Vullo
- Equipo Argentino de Antropología Forense (EAAF), Córdoba, Argentina.
| | - Magdalena Romero
- Equipo Argentino de Antropología Forense (EAAF), Córdoba, Argentina
| | - Laura Catelli
- Equipo Argentino de Antropología Forense (EAAF), Córdoba, Argentina
| | - Mustafa Šakić
- International Commission for Missing Persons (ICMP), USA
| | | | - María Jose Jimenez Pleguezuelos
- Unitat Central de Laboratori Biològic, Divisió de Policia Científica, Policia de la Generalitat-Mossos d'Esquadra, BCN, Spain
| | - Carola Romanini
- Equipo Argentino de Antropología Forense (EAAF), Córdoba, Argentina
| | | | | | | | - Alexis Hernandez
- Instituto Nacional de Toxicología y Ciencias Forenses, (INTCF), Canarias, Spain
| | - María José Farfán
- Instituto Nacional de Toxicología y Ciencias Forenses, (INTCF), Madrid, Spain
| | - Victoria Prieto
- Instituto Nacional de Toxicología y Ciencias Forenses, (INTCF), Sevilla, Spain
| | - David Alvarez
- Laboratorio de ADN, Unidad Central de Análisis Científicos, Comisaría General de Policía Científica, Madrid, Spain
| | | | | | | | | | - Lourdes Prieto
- Instituto de Ciencias Forenses, Grupo de Medicina Xenómica, Universidade de Santiago de Compostela, Spain
| | - Thomas Parsons
- International Commission for Missing Persons (ICMP), USA
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Iannacone G. Algorithm aligen: Simple method of encryption and matching with genetic profiles in a system of STR identification database. FORENSIC SCIENCE INTERNATIONAL GENETICS SUPPLEMENT SERIES 2015. [DOI: 10.1016/j.fsigss.2015.09.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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