Quick Answer: Why Can Eyewitness Testimony Be Unreliable?

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..

How reliable is eyewitness testimony?

The same is true of eyewitness memory: memory can be contaminated with the trace of an innocent person, but under proper testing conditions, eyewitness evidence is highly reliable. … And third, the confidence expressed by the eyewitness following an identification of someone from the lineup must be recorded.

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.

What factors influence the accuracy of eyewitness testimony?

The race of the witness/victim compared to the race of the aggressor is a significant factor in assessing the accuracy of eyewitness identification. Even biological factors, such as age, race, and gender contribute to how our memory recalls certain events and details.

Are eye witnesses credible?

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.