- Lineups and Showups. During an investigation, law enforcement may use a lineup of a suspect and four to five other individuals.
- Photo Identification.
- Motion to Suppress Identifications.
What are the different types of witnesses?
- Lay witness.
- Expert witness.
- Character witness.
- Secondary witness.
What are the three identification procedures?
The three basic types of identification procedures are:
Lineup, show-up, and photographic array
.
What are three challenges surrounding the use of eyewitness testimony?
- The opportunity to view the perpetrator at the scene of the crime.
- The degree of attention the witness had on the suspect.
- The extent to which the witness’s description of the suspect is accurate.
- The time that has elapsed between being witness to the crime and identifying the suspect.
What are the 4 witness factors?
In the United States, such a witness is “more than likely to be true based on his/her experience, knowledge, training and appearance of honesty and forthrightness….” Some factors for determining the credibility of testimony in U.S. courts include: (1) the witness had personal knowledge,
(2) he or she was actually
…
What is the Wade Gilbert rule?
United States v. Wade, together with Gilbert v. California, created the Wade-Gilbert Rule. Under this rule,
the Supreme court held post-indictment lineups are a critical stage of the criminal prosecution and the defendant is entitled to have their counsel present at critical stages under the Sixth Amendment
.
What are the three tools of investigation?
Tools To establish facts and develop evidence, a criminal investigator must use these tools-
information, interview, interrogation, and instrumentation
. 3.
Who is a good witness?
In short a good witness in an E & O case is
one who can speak professionally and cogently to a matter
, who has supporting documentary evidence and who is fully and properly prepared.
What are the 5 types of witnesses?
- Eye Witnesses. Eye witness testimony provides strong evidence in a criminal trial. …
- Expert Witnesses. …
- Character Witnesses.
What is a known witness?
A witness is
a person who saw or heard the crime take place or may have important information about the crime or the defendant
. Both the defense and the prosecutor can call witnesses to testify or tell what they know about the situation. What the witness actually says in court is called testimony.
Is victim’s testimony enough to convict?
Can I be convicted if the only evidence is the word of one person? Unfortunately, the answer is
yes
, if the jury believes that one witness beyond a reasonable doubt. … Lack of corroboration will help your defense and increase the probability that a jury would conclude that there was reasonable doubt.
Can you trust eyewitness testimony?
Research has found that eyewitness-identification
testimony can be very unreliable
. … Although witnesses can often be very confident that their memory is accurate when identifying a suspect, the malleable nature of human memory and visual perception makes eyewitness testimony one of the most unreliable forms of evidence.
What is an unreliable witness?
In other words, a witness might think they’re telling the truth but in reality the truth is something different from what they believe they saw. … While unreliable witnesses
sometimes come in the form of being honestly mistaken
, they can also come in the form of willful liars.
How can a witness be discredited?
The way to discredit a witness is
to call other witness or cross-examine other witnesses and bring up key points about your main witness’s testimony and impeach them through over witness statements
. … That’s another way to attack or impeach a witness’s statement.
What are the characteristics of a good witness?
- 1) Confidence. Confidence matters. …
- 2) Rigor. Expert witnesses need to have scientific or specialized knowledge that is the basis for their opinion. …
- 3) Consistency. …
- 4) Attention to Detail. …
- 5) Trustworthiness. …
- 6) Experience. …
- 7) Effective Communication. …
- 8) Dedication.
How do you prove a witness is lying?
Comparing or contrasting different choices
can be a great way to get a witness to explore the reason why they told a lie. For example, ask them if on the drive back to the depot they thought about what happened in the accident.
