What are the four requirements that must be satisfied in order for testimonial evidence to be relevant?
The main rules of the admissibility of testimonial evidence are materiality, relevance, and competence. If any evidence, whether testimonial or physical, is material, relevant, and competent. Evidence is considered material if presented to prove a fact which is an issue in the court case.
What is the least important consideration in the gathering of evidence?
Cards
| Term The case of Frye v. United States deals with the legal issue of: | Definition General acceptance of scientific principles |
|---|---|
| Term What is the least important consideration in the gathering of evidence at a crime scene? | Definition |
| Term Forensic Odontology refers to the study of what? | Definition The study of teeth. |
Which unit is responsible for the examination of body fluids?
Toxicology Unit
Toxicology Unit – Body fluids and organs are examined for the presence or absence of drugs or poisons.
What services are typically provided to law enforcement by crime laboratories?
Which of the following services are typically provided to law enforcement by crime laboratories?…
- The Federal Bureau of Investigation (FBI)
- US Postal Service.
- Drug Enforcement Administration (DEA)
- The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF or ATFE)
- US Fish and Wildfire Services.
What is a lay testimony?
Primary tabs. Any witness who is not testifying as an expert witness. Unlike an expert witness, a lay witness does not need to be qualified in any area to testify in court. A lay witness, like any other witness, must limit testimony to matters which they have personal knowledge about.
What is expert witness testimony?
Expert Witness Testimony An expert witness, or an opinion witness, is a person with specialized skill sets whose opinion may help a jury make sense of the factual evidence of a case. Expert witnesses testify as to their opinion about certain facts or events.
What determines the manner of collecting and preserving physical evidence?
The manner of collecting and preserving physical evidence at a crime scene is determined by: The nature of the evidence. Physical evidence may be obtained from: The crime scene, The victim, The suspect.
What factors does the court usually take into consideration?
What factor(s) do(es) the court usually take into consideration as sufficient grounds for qualification as an expert witness? Experience, training, and education. The most basic methods of crime scene recording include narrated videotape, sketches, photographs, and note taking.
What is the examination and analysis of body fluids?
Forensic serology thus is the study and examination of body fluids such as blood, semen, sweat, urine, saliva, fecal matter, and other fluids mainly for identification purposes in criminal/medicolegal investigations.
How do you check bodily fluids?
Black lights or UV lights are used by crime scene investigators to identify body fluids – including semen, sweat, saliva and urine. Semen happens to glow the brightest because of its particular mix of chemicals.
What are the different facilities and services that a crime lab provides?
Crime Laboratories
- Firearms and toolmark identification. The identification of firearms and weapon-related evidence has played a critical role in crime investigation throughout the twentieth century.
- Latent prints.
- Questioned Documents.
- Chemistry.
- Trace evidence.
- DNA.
- Explosives.
- Forensic analysis.