Several Techniques for Eyewitnesses Identification
When
the crime events happened, there are always the eyewitnesses who could be the
victim or the other people who were in the crime scene. Interrogator found the
clue of crime event from the eyewitness too. The eyewitnesses could know the
criminal, so their opinions are worthy. Besides that, several eyewitnesses
could not remember the detail of the event clearly. It happened because humans
usually just used her/his short term memory and the event might be happened on
small amount of time. Besides, if the event is traumatic for the eyewitnesses,
they usually could not remember clearly, indeed they had the wrong
representation of the event. Several eyewitnesses took out their defense
mechanism when they had to remember the traumatic crime event.
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| Simultaneous Strategy (The Usual Suspect movie) |
The
interrogators apply several techniques for an eyewitness to acknowledge the
suspect. The first technique titled simultaneous, in which the
interrogators show several photos of people at one time in front of the
eyewitness. The eyewitnesses choose the person who is the suspect from those
options that put side by side. The other
technique named sequential line-up
in which the interrogator just shows one photo or person at one time. The
eyewitnesses should tell them if they see the photo or person who might be the perpetrator.
If the person is not the perpetrator, the interrogator would be showed the next
photo or people. The differences between those two techniques are simple; the
police could show all of the suspects at one time or put the suspect one by one
to the eyewitnesses.
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| Sequential Line-Up Strategy |
Those
techniques are supported by the other techniques by the interrogator, for
instance, they usually give some of the leading or suggestive comments to the
eyewitness. If the police said to the eyewitnesses that the perpetrator is one
in the line-up, they certainly pick one of them even though they do not
confident about their choice. They felt that they should pick one of the
perpetrators even though they know the real suspect is not in the line-up. It
happened because the eyewitnesses easily trust to the police than their memory
themselves. Moreover, the police could say either nothing or the suspect might
be not in the line-up. The eyewitnesses become more honest with their choice.
If they do not identify the suspect is one of the might-be suspects, they tend
to say honestly to the police. They more rely on their memory and self-opinion
because the police do not interfere with what they believe.


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