What are the two types of forensic evidence?
Forensic evidence can be divided into two basic categories: physical and biological.
What are the 2 critical roles forensic scientists play?
Forensic scientists perform both physical and chemical analyses on physical evidence obtained by crime scene investigators and law enforcement officials at the crime scene.
What are the 3 main objectives for a forensic investigator regarding evidence?
The three tasks or responsibilities of a forensic scientist are: Collecting evidence. Analyzing evidence. Communicating with law enforcement and…
What are two methods of forensic science used to identify a suspect?
The two methods used by forensic scientists when examining physical evidence are identification and comparison. Identification is the process of determining a substance’s physical or chemical identity. Comparison is the process of ascertaining whether two or more objects have a common origin.
What are the two main types of analysis used in the lab while investigating a fire?
(1) Sample preparation. The process by which the liquid is isolated from fire debris. (2) Instrumental analysis. Once isolated, a sample is analyzed using gas chromatography.
What is the goal of forensic science quizlet?
The goals of forensic science include: Unamibiguously distinguishing evidence from coincidence, Examining relavant alternatives to a hypothesis and using scientific principles to rank them, Testing these alternative explanations by breaking them into smaller, testable components.
What is the primary goal of a forensic investigation?
The forensic process must preserve the “crime scene” and the evidence in order to prevent unintentionally violating the integrity of either the data or the data’s environment. A primary goal of forensics is to prevent unintentional modification of the system.
What is the purpose of forensic studies research?
Scientific examinations help to eliminate suspects and establish innocence. Forensic science continues to evolve and through the development of forensic science intelligence, it is now applicable to crime disruption, prevention and detection.
What are the two major branches of forensic science?
There are various branches of Forensic Science such as physical sciences and social sciences.
Some of the major Branches of Forensic Science include:
- Forensic Biology.
- Forensic Chemistry.
- Forensic Anthropology.
- Forensic Dentistry.
- Forensic Behavioral Sciences.
What is the role of the forensic science laboratory?
The Forensic Science Laboratory is responsible for the examination and analysis of evidentiary materials in areas including Chemistry, Arson, Firearms, Toolmarks, Questioned Documei1ts, Serology, Biochemistry, Trace Evidence, Latent Fingerprints, Imprints and Impressions, Instrumentation and DNA.