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Legal Issues - notes
Course: The Courts and Forensic Science (CCJ 4225)
13 Documents
Students shared 13 documents in this course
University: Florida International University
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Legal Issues
Police investigation avenues
● Confession: “I did it”
● Eye witness accounts by victims or witnesses:Witnesses can be biased and also victims
can be the witness as well
● Physical evidence:Best avenue to demonstrate due to being free of inherent error and/or
bias.
Must go under scientific inquiry and follow the scientific method
How do we know science is good?
Various court cases have established precedent.
Precedent:An example of an event or action which is considered in subsequent similar
circumstances.
Frye v. United States (1923)-General rule of acceptance
He was on trial for murder,he wanted to have the results of a lie detector where he passed but
the scientific community has not nor has accepted lie detectors.
The court denied his request.
The court did not establish considers
Federal Rules of Evidence (1975)
The congress approved and agreed on certain rules such as an evidentiary code that way the
Federal court system can be consistent and have a unified location for procedure.
New governed
Rule 702:Who testifies expert witness
The testimony is based upon sufficient facts or data
The testimony Is the product of reliable principles and methods
