What is the difference between identification and comparison of physical evidence?

What is the difference between identification and comparison of physical evidence?

Identification = determine the physical/chemical identity of a substance with absolute certainty. Comparison = determine whether or not the suspect specimen and a control specimen have a common origin using the same examinations and tests.

What type of evidence is physical evidence?

Physical evidence refers to any item that comes from a nonliving origin, while biological evidence always originates from a living being. The most important kinds of physical evidence are fingerprints, tire marks, footprints, fibers , paint, and building materials . Biological evidence includes bloodstains and DNA .

What is the definition of class evidence?

Term. Class evidence. Definition. Material that connects an individual or thing to a certain group.

Is Blood Type Class evidence?

Blood type is considered to be class evidence. Although it may not specifically identify the suspect, explain how it still could be useful in helping to investigate a crime. Explain how the product rule can be used to determine whether two blood samples come from the same source.

What types of evidence are admissible in court?

Admissible evidence

  • Testimony.
  • Documentary.
  • Real (physical)
  • Digital.
  • Exculpatory.
  • Inculpatory.
  • Demonstrative.
  • Eyewitness identification.

What is meant by physical evidence?

Physical evidence (also called real evidence or material evidence) is any material object that plays some role in the matter that gave rise to the litigation, introduced as evidence in a judicial proceeding (such as a trial) to prove a fact in issue based on the object’s physical characteristics.

What are the characteristics of physical evidence?

Individual Characteristics … are physical qualities that are unique to an individual evidence item, such as:

  • a fingerprint pattern.
  • a pattern of cuts and wear marks on the tread patterns on a used pair of athletic shoes.
  • the resulting STR (CODIS) DNA code for a.
  • the striation marks on a fired bullet.

What are some characteristics of evidence?

Good evidence is representative of what is, not just an isolated case, and it is information upon which an institution can take action to improve. It is, in short, relevant, verifiable, representative, and actionable. It is important to note that evidence per se does not lead to confirmations of value and quality.

What are two ways to introduce your explanation of textual evidence?

You may incorporate textual evidence right into the sentence with the use of quotation marks, but your quote from the text must make sense in the context of the sentence. For example: April is so wildly confused that she actually “…hated Caroline because it was all her fault” (page 118). 2.