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Crime data consist of traces that result from criminal activities: physical traces, other information collected at the scene, from witness or victims or some electronic traces, as well as reconstructed descriptions of cases (modus operandi, time intervals, duration and place) and their relations (links between cases, series).
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.
There is some common ground between forensic science and forensic engineering, such as scene of crime and scene of accident analysis, integrity of the evidence and court appearances. Both disciplines make extensive use of optical and scanning electron microscopes, for example.
There are no set educational requirements; however, many practicing crime scene reconstructionists possess undergraduate or graduate degrees in forensic science, chemistry, biology, physics, engineering, or criminal justice. In addition, a crime scene reconstructionist must have considerable experience in the investigation and analysis of crime ...
The use of ejection pattern studies were originally part of incident reconstruction and methods for determining shooter location continue to be explained in major crime scene examination books. [45] However, the validity of ejection pattern analysis has been brought into question by multiple studies that look at the reproducibility and end ...
Crime scene reconstruction help put pieces of a case together. The steps to crime scene reconstruction involve: the initial walk-through and examination of the crime scene, organizing an approach for collecting evidence, formulate a theory, use the theory to track down suspects, reconciling all evidence that refutes the hypothesis or creates one.
Finally, the analyst can now complete analysis and interpretation of the DNA sample and compare to known profiles. [23] An unknown sample found at a crime scene is called a questioned sample. A known sample can be taken either from a suspect or found in a database. The FBI’s database used for DNA is CODIS, Combined DNA Index System. It has ...
motive to commit the crime (for example, financial gain or to seek revenge) opportunity to commit the crime (including being at the crime scene at the time of the offence); persons presenting an alibi can be eliminated from suspicion; They will also establish the relationships between the victim and any potential offenders. [4]