What are the pros and cons of eyewitness testimony?
List of Pros of Eyewitness TestimonyIt can shed light into the sequence of the events that constitute the crime.
It can influence the decision of the jury.
It is generally reliable.
It can contain parts that are just made up by the witness due to pressure.
It is not always accurate.
It may convict the wrong person..
Why is eyewitness testimony so unreliable?
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 kind of evidence is eyewitness testimony?
Eyewitness testimony is a potent form of evidence for convicting the accused, but it is subject to unconscious memory distortions and biases even among the most confident of witnesses. So memory can be remarkably accurate or remarkably inaccurate. Without objective evidence, the two are indistinguishable.
What percentage of eyewitness testimony is accurate?
Eyewitnesses statements often play a vital role in securing criminal convictions – police surveys show that eyewitness testimony is the main form of evidence in more than 20% of cases. But that doesn’t mean the evidence is always reliable.
How often is eyewitness testimony wrong?
Since the 1990s, when DNA testing was first introduced, Innocence Project researchers have reported that 73 percent of the 239 convictions overturned through DNA testing were based on eyewitness testimony. One third of these overturned cases rested on the testimony of two or more mistaken eyewitnesses.