Criminalistics || Questions with complete solutions.

Forensic Science correct answers Application of science to the criminal and civil laws that are enforced by police agencies in a criminal justice system. An umbrella term encompassing a myriad of professions that use their skills to aid law enforcement officials in conducting their investigations. (Criminalistics, digital and multimedia sciences, engineering science, general, juisprudence, odontology, pathlogy/biology, phycial anthropology. psychiatry/behavioral science, questioned documents, toxicology) Locard's Exchange Principle correct answers Whenever two objects come into contact with one another, there is exchange of materials between them. Scientific Method correct answers A process that uses strict guidelines to ensure careful and systematic collection, organization, and analysis of information. Expert Witness correct answers An individual whom the court determines to possess knowledge relevant to the trial that is not expected of the average layperson. Physical Evidence correct answers Any object that can establish that a crime has or has not been committed or can link a crime and its victim to its perpetrator. Rough Sketch correct answers A draft representation of all essential information and measurements at a crime scene. This sketch is drawn at the crime scene. Finished sketch correct answers A precise rendering of the crime scene, usually drawn to scale. Chain of Custody correct answers A list of all people who came into possession of an item of evidence. Standard/Reference Sample correct answers Physical evidence whose origin is known, such as fibers or hair from a suspect, that can be compared to crime-scene evidence. Buccal Swab correct answers A swap of the inner portion of the cheek; cheek cells are usually collected to determine the DNA profile of an individual. Substrate Control correct answers Uncontaminated surface material close to an area where physical evidence has been deposited. This sample is to be used to ensure that the surface on which a sample has been deposited does not interfere with laboratory tests. Identification correct answers The process of determining a substance's physical or chemical identity. Drug analysis, species determination, and explosive residue analysis are typical examples of this undertaking in a forensic setting. Comparison correct answers The process of ascertaining whether two or more objects have a common origin. Individual Characteristics correct answers Properties of evidence that can be attributed to a common source with an extremely high degree of certainty.