Friday, 11 November 2011

Emedinews:Insights on Medicolegal issues:The forensic analyst/doctor has a legal responsibility to retain untested biological specimen in legal cases so that another person can test it for an independent conclusion

• When crimes like injury, sexual offences, and murder are reported to a police station, the investigating officers are assigned to examine and investigate the case and collect the related evidences. The observation of scenes of crime, collection of human body fluids, weapons of the offence and medical examination of victim, accused, or both are required in any investigation of crime against human body.
• The medical examination is carried out in emergency ward of hospitals and the doctor’s main attention should be the treatment of injured and dying patient. However, in cases of crime against human body, medical examination and collection of biological sample, its recognition, documentation, packaging and analysis has an important role and are required to be done by doctor very meticulously with the high standards of science and the law in mind.
• The biological materials which are frequently required to be collected /recovered by doctor during medical examination as evidence in crime against human body are blood, seminal stains, vaginal smears/slides, gastric lavage, chemical substances, poison, hair, fiber, broken glasses, knives, blunt instruments / objects, fire arms, bullet, live and empty cartridge cases, wads, clothing etc..
• This scientific biological evidence becomes legal evidence in prosecution/acquittal of a case, if collected properly by maintaining the scientific sanctity and analyzed by a competent expert.

(Contributed by Dr Sudhir Gupta)

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