What is a blank lineup?

What is a blank lineup?

Blank lineup: contains no suspects; all members are known innocent distractors. suspect as the person that they believe is the culprit, then it raises the possibility that the actual witness’ identification was based on the same limited information.

Why are sequential lineups better?

According to the absolute-relative judgment theory (Wells, 1984), sequential lineups result in better witness discrimination because the format encourages people to make a strict judgment against their own memory.

How many people can be on live lineups?

One way to perform a police lineup is to have the eyewitness identify a suspect during a live lineup. This process usually involves having the suspect and four or five other people line up against a wall.

What is a double blind lineup?

The “Double-blind” Procedure/Use of a Blind Administrator: A “double-blind” lineup is one in which neither the administrator nor the eyewitness knows who the suspect is.

What is the difference between a sequential procedure and a simultaneous procedure?

“A sequential procedure is one in which the witness views lineup members one at a time and makes a decision on each before seeing the next. This contrasts with a simultaneous procedure in which all lineup members are available to be viewed at the same time.

What is sequential presentation?

Simultaneous and sequential presentation refers to two styles of presenting a police lineup to witnesses of a crime. Thus, witnesses decide whether the criminal is present while looking at the entire lineup.

What is a photo lineup?

(9) “Photo lineup” means a procedure in which an array of photographs, including a photograph of the person suspected as the perpetrator of an offense and additional photographs of other persons not suspected of the offense, are displayed to an eyewitness for the purpose of determining whether the eyewitness is able to …

What do show ups consist of?

A showup, like a lineup, is a form of eyewitness identification. At a showup, a witness or victim is normally confronted with only one person rather than a group of people. And whereas lineups almost always take place in police stations, showups may occur in a station or in the field, even at the crime scene.

What are the three basic types of identification procedures?

The three basic types of identification procedures are: Lineup, show-up, and photographic array.

What is a photographic array?

A photo lineup, also known as a photo array and or photo display, is a procedure used by law enforcement personnel to discover or confirm the identity of a criminal suspect. That is, a photo lineup should not be conducted in such a way as to highlight the suspect and elicit an identification of the suspect.

What is field identification?

Field identification -A live presentation of a single individual to a witness following the commission of a criminal offense for the purpose of identifying or eliminating the person as the suspect.

What is field identification of soil?

Identification of soil is the first and most important step in soil investigation for engineering works. It is the determination of soil-type through which crucial information about the soil properties can be obtained.

What is a Simmons admonishment?

Simmons Admonishments: 1. The courts have ruled it is a violation of due process under the Fifth and Fourteenth Amendments for police to suggest in any way, that a suspect to be observed at a lineup or showup committed the crime. 2.

What is a lineup in criminal justice?

A lineup is a relatively formalized procedure wherein a suspect, who is generally already in custody, is placed among a group of other persons whose general appearance resembles the suspect. The witness is then asked whether he can identify the perpetrator of the crime.

Are police lineups reliable?

In real life too, the police lineup plays a major role in many criminal investigations and they can prove very persuasive on jurors and judges. However, a growing body of research suggests that police lineups may be extremely unreliable and their unreliability may have sent a number of innocent people to prison.