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Forensic Science CSI Lab and Careers “In school, every period ends with a bell. Every sentence ends with a period. Every crime ends with a sentence.” ----

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Presentation on theme: "Forensic Science CSI Lab and Careers “In school, every period ends with a bell. Every sentence ends with a period. Every crime ends with a sentence.” ----"— Presentation transcript:

1 Forensic Science CSI Lab and Careers “In school, every period ends with a bell. Every sentence ends with a period. Every crime ends with a sentence.” ---- Stephen Wright, comedian

2 Crime Scene Team A group of professional investigators, each trained in a variety of special disciplines Team members: First police officer on the scene Medics (if necessary) Investigators Medical examiner or representative (if necessary) Photographer and/or field evidence technician Lab experts: pathologistDNA expert Toxicologistfingerprint expert forensic odontologistforensic anthropologist forensic psychologistforensic entomologist firearm examinerbomb and arson experts document & handwriting expertsserologist

3 Major Federal Crime Labs The FBI (Department of Justice) maintains the largest crime laboratory in the world. The Drug Enforcement Administration Laboratories (Department of Justice) are responsible for the analysis of drugs seized in violation of federal laws regulating the production, sale, and transportation of drugs. The laboratories of the Bureau of Alcohol, Tobacco, Firearms and Explosives (Department of Justice) have responsibility for analyzing alcoholic beverages and documents relating to tax law enforcement and for examining weapons, explosive devices, and related evidence received in conjunction with enforcement of the Gun Control Act of 1968 and the Organized Crime Control Act of 1970. The U.S. Postal Inspection Service maintains laboratories concerned with criminal investigations relating to the postal service.

4 Basic Services Provided by the Crime Lab Physical science unit Chemistry Physics Geology Biology unit Firearms and ballistics unit Document examination unit Photography unit The most common types of evidence examined are drugs, firearms, and fingerprints.

5 Optional Services of a Crime Lab Crime labs can be government-run at the federal, state, or local level, or they can be private consulting businesses. Toxicology unit Latent fingerprint unit Polygraph unit Voiceprint analysis unit Evidence collection unit Engineering

6 Evidence-Collection Unit CSIs trained to collect evidence at the crime scene

7 What are some of the forensic science specialties?

8 Biology Unit – Analyzes DNA, blood, body fluids, hair, fibers, wood, and plants.

9 Forensic Pathologist A medical doctor who performs autopsies to determine cause of death. Autopsies are performed during the investigation of sudden, unnatural, unexplained, or violent deaths. Also called Medical Examiners.

10 Forensic Psychologist Forensic Psychiatry – involves the assessment and treatment of mentally abnormal offenders, as well as the legal aspects of psychiatry. This includes knowledge of the law relating to ordinary psychiatric practice, civil law and issues of criminal responsibility. Forensic Psychology - involves the application of psychological knowledge, theory and skills to the understanding and functioning of the legal and criminal justice system. Forensic psychology encompasses psychology and the law, the psychology of police and policing, corrections, parole, victim services, addiction services and family services. It also covers activities related to law enforcement and the assessment and treatment of juvenile and adult offenders.

11 Criminalistics or Criminology? Criminalistics The scientific examination of physical evidence for legal purposes Criminology Includes the psychological angle: studying the crime scene for motive, traits, and behavior that will help to interpret the evidence

12 Forensic Anthropologist Identifies, examines and reconstructs human bones; determines gender, age, & cause of death.

13 Forensic Odontologist (Dentist) Helps identify bodies by looking at their teeth. Helps identify bodies by looking at their teeth. Identification of victims when the body is left in an unrecognizable state by their teeth, the alignment, and overall structure of the mouth.

14 Forensic Nurse Provides treatment for crime victims. They are especially needed in emergency rooms to gather and package criminal evidence.

15 Wildlife Forensic Scientist Forensic scientists who track down criminals who harm wild animals.

16 Forensic Entomologist Study of insects and their relation to a criminal investigation. Uses insects that inhabit decomposing bodies to determine time of death.

17 Forensic Toxicologist Analyses alcohol, drugs, & poisons in body fluids for the benefit of the courts.

18 Analyzes, compares, identifies, & interprets physical evidence at crime scenes. Criminalist- Analyzes, compares, identifies, & interprets physical evidence at crime scenes. Physical Science Unit – Analyzes drugs, glass, paint, explosives, and soil.

19 Forensic Engineer Investigates & reports on accidents or structural failures that may have criminal implications.

20 Digital Imagery Reconstruction: Use of computer superimposes photo of skull with outer skin.

21 Facial reconstruction technique used by forensic artists.

22 Some forensic scientists participate in high profile cases and become famous.

23 Meet Dr. Henry Lee--one of the world’s most renowned forensic pathologists.

24 The Inspector hopes you enjoyed learning about the world of forensic science.


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