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Hair analysis has the virtue of showing a 'history' of drug use due to hair's slow growth. Urine analysis might detect drugs taken in the past 2–3 days; hair analysis can sometimes detect use as far as 90 days, although certain cosmetic treatments (e.g. dyeing hair) can interfere with this.
Joyce Gilchrist (January 11, 1948 – June 14, 2015) [1] was an American forensic chemist who was accused of falsifying evidence in order to help prosecutors in Oklahoma.She participated in more than 3,000 criminal cases in 21 years while working for the Oklahoma City Police Department.
Forensic video analysis is the scientific examination, comparison and evaluation of video in legal matters. Mobile device forensics is the scientific examination and evaluation of evidence found in mobile phones, e.g. Call History and Deleted SMS, and includes SIM Card Forensics.
Virchow was the first to analyse hair in criminal investigation, and made the first forensic report on it in 1861. [80] He was called as an expert witness in a murder case, and he used hair samples collected from the victim. He became the first to recognise the limitation of hair as evidence.
Forensic biology is the application of biological principles and techniques in the investigation of criminal and civil cases. [1] [2]Forensic biology is primarily concerned with analyzing biological and serological evidence in order to obtain a DNA profile, which aids law enforcement in the identification of potential suspects or unidentified remains.
Forensic DNA analysis can be a useful tool in aiding forensic identification because DNA is found in almost all cells of our bodies except mature red blood cells. Deoxyribonucleic acid is located in two different places of the cell, the nucleus ; which is inherited from both parents, and the mitochondria ; inherited maternally.
History Cold Case is a British documentary television series in which scientists use modern forensic techniques to investigate ancient remains. Two series of History Cold Case aired on BBC Two between 6 May 2010 and 21 July 2011. The television series is recommended for age 17 and above due to graphic images and maturity.
Forensic chemistry positions require a bachelor's degree or similar in a natural or physical science, as well as laboratory experience in general, organic, and analytical chemistry. Once in the position, individuals are trained in protocols performed at that specific lab until they are proven competent to perform all experiments without ...