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Why Forensic Evidence Is Important in Crime Cases and How Witnesses Help

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Why Forensic Evidence Is Important in Crime Cases and How Witnesses Help
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Sanii

@saniii.4

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The importance of forensic evidence and witness testimony in criminal justice outcomes is paramount, alongside the critical roles played by experts, judiciary, and legal teams.

Forensic evidence in criminal cases serves as the cornerstone for jury decision-making, requiring careful handling to prevent contamination and miscarriage of justice.

• The CSI Effect has heightened expectations regarding forensic evidence, though human error in evidence handling remains a significant concern.

• Expert witnesses play a crucial role in interpreting complex evidence, though their testimony must be scrutinized for accuracy.

• Judicial oversight and legal representation quality significantly impact case outcomes, with potential biases affecting verdict fairness.

30/06/2023

5747

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

The Impact and Limitations of Forensic Evidence

Forensic evidence in criminal cases is often viewed as objective and hard to disprove, given its empirical nature. However, it's not without limitations. Human error in evidence handling can lead to miscarriages of justice, highlighting the need for meticulous procedures.

Example: The Adam Scott case illustrates the potential for evidence contamination. Scott was wrongly accused of rape due to a DNA sample tray being reused, leading to cross-contamination.

Example: In the Amanda Knox case, the late discovery of a bra strap (47 days after the crime) raised questions about evidence deterioration and proper crime scene investigation.

Example: The Stephen Lawrence case revealed how mislabeling evidence can lead to misinterpretation. A leather bag strap found near the scene was incorrectly logged as being 90 yards away instead of 11 yards, causing it to be overlooked for 21 years.

Witnesses: A Critical Influence on Trial Outcomes

Witness testimony can significantly influence trial outcomes. If jurors find a witness believable and reliable, they are more likely to side with the party that witness represents. Conversely, an unreliable witness can undermine the credibility of the side they support.

Highlight: There are two exceptions to in-person witness testimony: 1) If both parties agree to a written statement, and 2) Vulnerable or intimidated witnesses may be allowed to give evidence via live video link, recording, or behind a screen.

Vocabulary: Inculpatory evidence refers to evidence that shows, or tends to show, a person's involvement in an act, or evidence that can establish guilt.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

The Complexities of Witness Testimony and Juror Perception

The reliability of witness testimony is a critical factor in criminal trials. Jurors' perceptions of witnesses can be influenced by various factors, including prejudicial and stereotypical views. This can significantly impact the outcome of a case, potentially leading to wrongful convictions if a lying witness is believed.

Example: Kaufmann et al. found that jurors tended to regard a rape victim's statement as credible only if the victim showed emotion when testifying, rather than basing their judgment on other evidence from the case.

Example: Brodsky's research indicated that if jurors believed a witness was untrustworthy or their statement didn't corroborate with evidence, they were less likely to believe the victim's statement.

Eyewitness testimony, while often perceived as reliable by jurors, can be fallible. The Innocence Project has found that eyewitness testimony has led to wrongful convictions in at least 70% of cases that were later overturned by DNA evidence.

Highlight: Both prosecution and defense can call witnesses to testify in court. Witnesses are usually expected to appear in person, with exceptions for agreed-upon written statements or accommodations for vulnerable witnesses.

Vocabulary: Examination-in-chief refers to the questioning of a witness by the party who called them to testify. This is followed by cross-examination by the opposing party and potential re-examination.

The perceived reliability of a witness can greatly influence the jury's decision. If a witness is deemed highly reliable and truthful, it could sway the jury towards the party that witness supports. Conversely, an unreliable witness can weaken the case for their side.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

Rights of witnesses in criminal investigations and court proceedings are crucial aspects of the justice system. These rights ensure fair treatment and protect witnesses from intimidation or undue pressure. Understanding these rights is essential for both witnesses and legal professionals involved in criminal cases.

Highlight: Witness rights during investigation include the right to be treated with respect and dignity, to receive information about the investigation process, and to be protected from intimidation or harassment.

Vocabulary: The Witness Charter is a document that sets out the standards of care and support that witnesses can expect from the criminal justice system in England and Wales.

Who is present during a significant witness interview can vary depending on the nature of the case and the witness's circumstances. Typically, the interviewing officer(s), the witness, and potentially a legal representative or support person may be present. In cases involving vulnerable witnesses, specially trained officers or intermediaries might also attend.

Example: For a child witness, a parent or guardian and a specially trained child interview specialist might be present during the interview to ensure the child's well-being and the integrity of the evidence gathered.

Can the accused see witness statements UK? Generally, the accused has the right to see witness statements as part of the disclosure process. However, there are exceptions to protect vulnerable witnesses or in cases where revealing the identity of a witness could compromise their safety or the integrity of the investigation.

Highlight: The prosecution may apply for witness anonymity in certain cases where there is a real and immediate threat to the safety of the witness if their identity is revealed.

Rights of witnesses in court include the right to be informed about court proceedings, to be protected from intimidation, and to have access to support services. Witnesses also have the right to claim expenses for attending court and to request special measures if they are vulnerable or intimidated.

Definition: Special measures are provisions that can be made to help vulnerable or intimidated witnesses give their best evidence in court. These may include giving evidence behind a screen or via video link.

What is the problem with the Witness Charter? While the Witness Charter sets out important standards, its implementation can be challenging. Some critics argue that it lacks legal enforceability and that the level of support provided to witnesses can vary depending on resources and local practices.

Highlight: One challenge is ensuring consistent application of the Charter across different jurisdictions and cases, particularly in resource-constrained environments.

Witness rights UK are designed to protect individuals who come forward to give evidence and to ensure the integrity of the judicial process. These rights are fundamental to maintaining public confidence in the criminal justice system and encouraging witness participation.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

What type of evidence does the FBI consider to be the most valuable often depends on the specific case. However, DNA evidence is generally regarded as highly reliable and valuable in criminal investigations. Other types of forensic evidence, such as fingerprints, ballistics, and digital forensics, are also considered crucial in many cases.

Highlight: While DNA evidence is often seen as the "gold standard," the FBI emphasizes the importance of corroborating evidence and not relying solely on one type of forensic evidence.

What is the role of forensic experts as witnesses? Forensic experts play a critical role in criminal trials by providing specialized knowledge and analysis of evidence. They are called upon to explain complex scientific concepts to the court and jury, interpret forensic findings, and offer expert opinions based on their analysis.

Example: A forensic pathologist might testify about the cause and manner of death in a murder trial, explaining their findings from an autopsy and how they reached their conclusions.

Vocabulary: An expert witness is a person with specialized knowledge or experience in a particular field who is called to testify in court to help the judge or jury understand complex technical or scientific evidence.

Does the rules on evidence apply in all cases? While the fundamental principles of evidence law apply broadly, there can be variations in how these rules are applied depending on the type of case (criminal vs. civil), the jurisdiction, and specific circumstances. Some specialized courts or tribunals may have modified rules of evidence.

Highlight: In some cases, such as family court proceedings or certain administrative hearings, the rules of evidence may be applied more flexibly than in criminal trials.

The CSI Effect refers to the phenomenon where jurors' expectations about forensic evidence are influenced by popular crime scene investigation television shows. This can lead to unrealistic expectations about the availability and conclusiveness of forensic evidence in real criminal cases.

Definition: The CSI Effect is the alleged influence of crime television shows on jurors' expectations of forensic evidence in real criminal trials, potentially affecting their decision-making process.

Highlight: The CSI Effect can pose challenges for prosecutors and defense attorneys alike, as they must manage jurors' expectations about the type and quality of evidence presented in court.

In conclusion, understanding the complexities of forensic evidence, witness testimony, and the rights of those involved in the criminal justice process is crucial for ensuring fair trials and maintaining public trust in the legal system. As forensic techniques continue to advance, it's essential to balance the use of scientific evidence with the protection of individual rights and the integrity of the judicial process.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

Page 5: Judicial Control and Trial Management

This section examines the judiciary's role in managing trials and ensuring fair proceedings, including the power to order juryless trials under certain circumstances.

Definition: The Criminal Justice Act 2003 allows judges to order juryless trials in cases of jury tampering or excessive complexity.

Example: R v Twomey 2009 exemplifies a case where jury tampering led to a juryless trial.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

View

Evidence: The Foundation of Criminal Justice

The importance of forensic evidence in court cannot be overstated. It serves as the primary influence on verdicts, with juries taking an oath to base their decisions on the evidence presented. The prosecution must provide the Crown Prosecution Service with sufficient evidence before a case can proceed to trial. During the trial, both physical and testimonial evidence is presented by the prosecution and defense.

The burden of proof lies with the prosecution, who must back up their claims. The defense challenges the prosecution's case, often through cross-examination of witnesses to ensure the reliability and credibility of their statements. For a conviction, the evidence must prove guilt beyond reasonable doubt. If the prosecution fails to convince the jury or magistrates, the defendant is acquitted.

Example: In the Amanda Knox case, the prosecution's evidence was questioned when a bra strap was found 47 days after the initial investigation, raising concerns about its admissibility.

Example: The Jeremy Bamber case demonstrates how evidence doesn't always point conclusively to the defendant. Despite Bamber's DNA being found on the murder weapon along with his sister Sheila's, there was a lack of other forensic evidence to incriminate him.

Highlight: The handling of crime scenes is crucial. In the Bamber case, police allowed the scene to be cleared, potentially compromising valuable evidence.

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

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Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

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Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.

Why Forensic Evidence Is Important in Crime Cases and How Witnesses Help

user profile picture

Sanii

@saniii.4

·

167 Followers

Follow

The importance of forensic evidence and witness testimony in criminal justice outcomes is paramount, alongside the critical roles played by experts, judiciary, and legal teams.

Forensic evidence in criminal cases serves as the cornerstone for jury decision-making, requiring careful handling to prevent contamination and miscarriage of justice.

• The CSI Effect has heightened expectations regarding forensic evidence, though human error in evidence handling remains a significant concern.

• Expert witnesses play a crucial role in interpreting complex evidence, though their testimony must be scrutinized for accuracy.

• Judicial oversight and legal representation quality significantly impact case outcomes, with potential biases affecting verdict fairness.

30/06/2023

5747

 

13

 

Criminology

117

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

The Impact and Limitations of Forensic Evidence

Forensic evidence in criminal cases is often viewed as objective and hard to disprove, given its empirical nature. However, it's not without limitations. Human error in evidence handling can lead to miscarriages of justice, highlighting the need for meticulous procedures.

Example: The Adam Scott case illustrates the potential for evidence contamination. Scott was wrongly accused of rape due to a DNA sample tray being reused, leading to cross-contamination.

Example: In the Amanda Knox case, the late discovery of a bra strap (47 days after the crime) raised questions about evidence deterioration and proper crime scene investigation.

Example: The Stephen Lawrence case revealed how mislabeling evidence can lead to misinterpretation. A leather bag strap found near the scene was incorrectly logged as being 90 yards away instead of 11 yards, causing it to be overlooked for 21 years.

Witnesses: A Critical Influence on Trial Outcomes

Witness testimony can significantly influence trial outcomes. If jurors find a witness believable and reliable, they are more likely to side with the party that witness represents. Conversely, an unreliable witness can undermine the credibility of the side they support.

Highlight: There are two exceptions to in-person witness testimony: 1) If both parties agree to a written statement, and 2) Vulnerable or intimidated witnesses may be allowed to give evidence via live video link, recording, or behind a screen.

Vocabulary: Inculpatory evidence refers to evidence that shows, or tends to show, a person's involvement in an act, or evidence that can establish guilt.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

The Complexities of Witness Testimony and Juror Perception

The reliability of witness testimony is a critical factor in criminal trials. Jurors' perceptions of witnesses can be influenced by various factors, including prejudicial and stereotypical views. This can significantly impact the outcome of a case, potentially leading to wrongful convictions if a lying witness is believed.

Example: Kaufmann et al. found that jurors tended to regard a rape victim's statement as credible only if the victim showed emotion when testifying, rather than basing their judgment on other evidence from the case.

Example: Brodsky's research indicated that if jurors believed a witness was untrustworthy or their statement didn't corroborate with evidence, they were less likely to believe the victim's statement.

Eyewitness testimony, while often perceived as reliable by jurors, can be fallible. The Innocence Project has found that eyewitness testimony has led to wrongful convictions in at least 70% of cases that were later overturned by DNA evidence.

Highlight: Both prosecution and defense can call witnesses to testify in court. Witnesses are usually expected to appear in person, with exceptions for agreed-upon written statements or accommodations for vulnerable witnesses.

Vocabulary: Examination-in-chief refers to the questioning of a witness by the party who called them to testify. This is followed by cross-examination by the opposing party and potential re-examination.

The perceived reliability of a witness can greatly influence the jury's decision. If a witness is deemed highly reliable and truthful, it could sway the jury towards the party that witness supports. Conversely, an unreliable witness can weaken the case for their side.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Rights of witnesses in criminal investigations and court proceedings are crucial aspects of the justice system. These rights ensure fair treatment and protect witnesses from intimidation or undue pressure. Understanding these rights is essential for both witnesses and legal professionals involved in criminal cases.

Highlight: Witness rights during investigation include the right to be treated with respect and dignity, to receive information about the investigation process, and to be protected from intimidation or harassment.

Vocabulary: The Witness Charter is a document that sets out the standards of care and support that witnesses can expect from the criminal justice system in England and Wales.

Who is present during a significant witness interview can vary depending on the nature of the case and the witness's circumstances. Typically, the interviewing officer(s), the witness, and potentially a legal representative or support person may be present. In cases involving vulnerable witnesses, specially trained officers or intermediaries might also attend.

Example: For a child witness, a parent or guardian and a specially trained child interview specialist might be present during the interview to ensure the child's well-being and the integrity of the evidence gathered.

Can the accused see witness statements UK? Generally, the accused has the right to see witness statements as part of the disclosure process. However, there are exceptions to protect vulnerable witnesses or in cases where revealing the identity of a witness could compromise their safety or the integrity of the investigation.

Highlight: The prosecution may apply for witness anonymity in certain cases where there is a real and immediate threat to the safety of the witness if their identity is revealed.

Rights of witnesses in court include the right to be informed about court proceedings, to be protected from intimidation, and to have access to support services. Witnesses also have the right to claim expenses for attending court and to request special measures if they are vulnerable or intimidated.

Definition: Special measures are provisions that can be made to help vulnerable or intimidated witnesses give their best evidence in court. These may include giving evidence behind a screen or via video link.

What is the problem with the Witness Charter? While the Witness Charter sets out important standards, its implementation can be challenging. Some critics argue that it lacks legal enforceability and that the level of support provided to witnesses can vary depending on resources and local practices.

Highlight: One challenge is ensuring consistent application of the Charter across different jurisdictions and cases, particularly in resource-constrained environments.

Witness rights UK are designed to protect individuals who come forward to give evidence and to ensure the integrity of the judicial process. These rights are fundamental to maintaining public confidence in the criminal justice system and encouraging witness participation.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

What type of evidence does the FBI consider to be the most valuable often depends on the specific case. However, DNA evidence is generally regarded as highly reliable and valuable in criminal investigations. Other types of forensic evidence, such as fingerprints, ballistics, and digital forensics, are also considered crucial in many cases.

Highlight: While DNA evidence is often seen as the "gold standard," the FBI emphasizes the importance of corroborating evidence and not relying solely on one type of forensic evidence.

What is the role of forensic experts as witnesses? Forensic experts play a critical role in criminal trials by providing specialized knowledge and analysis of evidence. They are called upon to explain complex scientific concepts to the court and jury, interpret forensic findings, and offer expert opinions based on their analysis.

Example: A forensic pathologist might testify about the cause and manner of death in a murder trial, explaining their findings from an autopsy and how they reached their conclusions.

Vocabulary: An expert witness is a person with specialized knowledge or experience in a particular field who is called to testify in court to help the judge or jury understand complex technical or scientific evidence.

Does the rules on evidence apply in all cases? While the fundamental principles of evidence law apply broadly, there can be variations in how these rules are applied depending on the type of case (criminal vs. civil), the jurisdiction, and specific circumstances. Some specialized courts or tribunals may have modified rules of evidence.

Highlight: In some cases, such as family court proceedings or certain administrative hearings, the rules of evidence may be applied more flexibly than in criminal trials.

The CSI Effect refers to the phenomenon where jurors' expectations about forensic evidence are influenced by popular crime scene investigation television shows. This can lead to unrealistic expectations about the availability and conclusiveness of forensic evidence in real criminal cases.

Definition: The CSI Effect is the alleged influence of crime television shows on jurors' expectations of forensic evidence in real criminal trials, potentially affecting their decision-making process.

Highlight: The CSI Effect can pose challenges for prosecutors and defense attorneys alike, as they must manage jurors' expectations about the type and quality of evidence presented in court.

In conclusion, understanding the complexities of forensic evidence, witness testimony, and the rights of those involved in the criminal justice process is crucial for ensuring fair trials and maintaining public trust in the legal system. As forensic techniques continue to advance, it's essential to balance the use of scientific evidence with the protection of individual rights and the integrity of the judicial process.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Page 5: Judicial Control and Trial Management

This section examines the judiciary's role in managing trials and ensuring fair proceedings, including the power to order juryless trials under certain circumstances.

Definition: The Criminal Justice Act 2003 allows judges to order juryless trials in cases of jury tampering or excessive complexity.

Example: R v Twomey 2009 exemplifies a case where jury tampering led to a juryless trial.

Influences:
1. Evidence
2. Witnesses
Influences affecting outcomes
3. Experts
4. Judiciary
5. Barristers and legal teams
Talk about how they

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Evidence: The Foundation of Criminal Justice

The importance of forensic evidence in court cannot be overstated. It serves as the primary influence on verdicts, with juries taking an oath to base their decisions on the evidence presented. The prosecution must provide the Crown Prosecution Service with sufficient evidence before a case can proceed to trial. During the trial, both physical and testimonial evidence is presented by the prosecution and defense.

The burden of proof lies with the prosecution, who must back up their claims. The defense challenges the prosecution's case, often through cross-examination of witnesses to ensure the reliability and credibility of their statements. For a conviction, the evidence must prove guilt beyond reasonable doubt. If the prosecution fails to convince the jury or magistrates, the defendant is acquitted.

Example: In the Amanda Knox case, the prosecution's evidence was questioned when a bra strap was found 47 days after the initial investigation, raising concerns about its admissibility.

Example: The Jeremy Bamber case demonstrates how evidence doesn't always point conclusively to the defendant. Despite Bamber's DNA being found on the murder weapon along with his sister Sheila's, there was a lack of other forensic evidence to incriminate him.

Highlight: The handling of crime scenes is crucial. In the Bamber case, police allowed the scene to be cleared, potentially compromising valuable evidence.

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the #1 education app in five European countries

4.9+

Average app rating

15 M

Pupils love Knowunity

#1

In education app charts in 12 countries

950 K+

Students have uploaded notes

Still not convinced? See what other students are saying...

iOS User

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

Philip, iOS User

The app is very simple and well designed. So far I have always found everything I was looking for :D

Lena, iOS user

I love this app ❤️ I actually use it every time I study.