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  2. Locard's exchange principle - Wikipedia

    en.wikipedia.org/wiki/Locard's_exchange_principle

    In forensic science, Locard's principle holds that the perpetrator of a crime will bring something into the crime scene and leave with something from it, and that both can be used as forensic evidence. Dr. Edmond Locard (1877–1966) was a pioneer in forensic science who became known as the Sherlock Holmes of Lyon, France. [1]

  3. Edmond Locard - Wikipedia

    en.wikipedia.org/wiki/Edmond_Locard

    His Exchange Principle is the basis of all forensic work; the principle stipulates that when any two objects come into contact, there is always a transference of material between each object. [4] [13] In November 2012, he was nominated to the French Forensic Science Hall of Fame of the Association Québécoise de Criminalistique. [14]

  4. Forensic science - Wikipedia

    en.wikipedia.org/wiki/Forensic_science

    Forensic science, also known as criminalistics, [1] is the application of science principles and methods to support legal decision-making in matters of criminal and civil law. During criminal investigation in particular, it is governed by the legal standards of admissible evidence and criminal procedure .

  5. Forensic photography - Wikipedia

    en.wikipedia.org/wiki/Forensic_photography

    Locard's exchange principle is a major concept that ... during the analysis of various forensic ... and forensic science experts to review methods image examiners ...

  6. Questioned document examination - Wikipedia

    en.wikipedia.org/wiki/Questioned_document...

    A forensic document examiner is intimately linked to the legal system as a forensic scientist. Forensic science is the application of science to address issues under consideration in the legal system. FDEs examine items (documents) that form part of a case that may or may not come before a court of law.

  7. DNA profiling - Wikipedia

    en.wikipedia.org/wiki/DNA_profiling

    Before modern PCR methods existed, it was almost impossible to analyze degraded DNA samples. Methods like Restriction fragment length polymorphism (RFLP), which was the first technique used for DNA analysis in forensic science, required high molecular weight DNA in the sample in order to get reliable data. High molecular weight DNA, however, is ...

  8. Bloodstain pattern analysis - Wikipedia

    en.wikipedia.org/wiki/Bloodstain_pattern_analysis

    Bloodstain pattern analysis (BPA) is a forensic discipline focused on analyzing bloodstains left at known, or suspected crime scenes through visual pattern recognition and physics-based assessments. This is done with the purpose of drawing inferences about the nature, timing and other details of the crime. [ 1 ]

  9. Trace evidence - Wikipedia

    en.wikipedia.org/wiki/Trace_evidence

    There are three general categories in which forensic science uses trace evidence. It can be used for investigative aids, associative evidence, and in-scene reconstructions. [ 3 ] In terms of investigative aids, trace evidence can provide information to determine the origin of a sample and determine the manufacture date of the material, all of ...