Search results
Results from the WOW.Com Content Network
Examines the scene and collects data; Collects, tests, evaluates, and documents evidence; Applies the scientific method to analyze the information obtained; Depending on how much evidence is present, an investigator can use different approaches. Two techniques include process of elimination, or disregarding the causes that the evidence deems ...
Crime reconstruction or crime scene reconstruction is the forensic science discipline in which one gains "explicit knowledge of the series of events that surround the commission of a crime using deductive and inductive reasoning, physical evidence, scientific methods, and their interrelationships". [1]
Agents of the United States Army Criminal Investigation Division investigate a crime scene. Police forensic investigation in Ashton-under-Lyne, England, using a tent to protect the crime scene. Art forensics concerns the art authentication cases to help research the work's authenticity. Art authentication methods are used to detect and identify ...
Crime Scene Sketching: the drawing of a crime scene; in the sketch, an investigator includes measurements and dimensions to aid in displaying the layout of the scene. This helps support the information shown in photographs of the scene. [6] Demonstrative evidence: any visible, physical evidence used in legal proceedings. These are used to ...
Crime scene – location where an illegal act took place, and comprises the area from which most of the physical evidence is retrieved by trained law enforcement personnel, crime scene investigators (CSIs) or in rare circumstances, forensic scientists. Mortuary investigations; laboratory examinations
The cognitive interview (CI) is a method of interviewing eyewitnesses and victims about what they remember from a crime scene. Using four retrievals, the primary focus of the cognitive interview is to make witnesses and victims of a situation aware of all the events that transpired. The interview aids in minimizing both misinterpretation and ...
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 data at three levels: local, state, and national. The national level data is stored in NDIS, National DNA Index system.
The FBI Laboratory was founded on November 24, 1932. Despite the budget limitations during the Great Depression, FBI director J. Edgar Hoover invested in major equipment upgrades including ultraviolet lamps, microscopes, moulage, and an extensive collection of tire treads, bullets, guns, and other materials that could assist local police in identifying crime scene evidence.