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An effect of dry and moist condition on blood stained forensic samples

Author Affiliations

  • 1Regional Forensic Science Laboratory, Home (Police) Department, Indore, MP, India
  • 2Regional Forensic Science Laboratory, Home (Police) Department, Indore, MP, India

Res. J. Forensic Sci., Volume 7, Issue (1), Pages 1-3, January,29 (2019)

Abstract

Investigations done in a laboratory specially, the cases where biological fluids are being used, helps a great deal in investigating crime. For instance, blood which is a crucial biological fluid serves as most prevailing evidence linked with the majority of criminal cases. The blood serves as an important tool in illuminating crime case investigation, but criminals can hide valuable evidence like blood stained clothes and thereby hindrance the analysis of crime. The present study was carried out at Regional Forensic Science Laboratory, Indore on blood stained exhibit kept at different environmental conditions. The observation shows that, ideal blood samples (without any contamination) show blood grouping result still six months kept in dried condition, whereas under moist conditions, the blood samples show blood grouping up to three months. On the contrary, blood sample of forensic cases investigated, show positive blood grouping results up to three months under dried condition and less than a month under moist condition. The present study focuses on how the differences occur when a blood stained exhibit is kept in varied condition keeping in view the environment and time. It is important that the blood stains should be carefully collected and properly preserved at crime scene, so that it can result in better judgment in court of law.

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