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Creating Composite Images for Criminal Identification: A Focus on Facial Composites, Study notes of Law of Evidence

University of Hartford (UHart)Law of Evidence

An overview of composite drawing, specifically facial composites, which are used to help identify suspects in criminal investigations. the process of creating composites, their applications, and real-life examples. It also includes guidelines for locating facial features.

What you will learn

  • What are the general guidelines for locating facial features in composite drawing?
  • How are facial composites used in criminal investigations?
  • What programs are commonly used to create facial composites?

Typology: Study notes

2021/2022

Uploaded on 09/27/2022

torley
torley 🇺🇸

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Composite Drawing
• If witness provides enough information
a composite image can be created
• Are used to help identify a perp
• They can be drawings of …
– A face
– A car
• Anything that the perp can be identified
with
• There are several programs that deal
with composites, especially facial
composites
– Ex: FACES
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Partial preview of the text

Download Creating Composite Images for Criminal Identification: A Focus on Facial Composites and more Study notes Law of Evidence in PDF only on Docsity!

Composite Drawing

  • If witness provides enough information a composite image can be created
  • Are used to help identify a perp
  • They can be drawings of …
    • A face
    • A car
  • Anything that the perp can be identified with
  • There are several programs that deal with composites, especially facial composites - Ex: FACES

Facial Composites

  • What are they used for
    • Identifying the suspect in a wanted poster
    • Assisting investigation in checking leads
    • Warning vulnerable population against serial offender
  • Used in TV Programs
    • America’s Most Wanted
    • CSI http://depletedcranium.com^ –^ Criminal shows

General Guidelines for Locating

Facial Features

  • Assume a direct view of the head in an upright position
  • CENTRAL AXIS LINE : An imaginary line running through the center of the forehead, the nose and the mouth - Is always at 90 degrees to the EYE LEVEL LINE
  • THE LENGTH OF THE NOSE : The point at which the nose meets the face above the mouth - Is typically between 1/3 to ½ of the distance between the eye level line and the tip of the chin - Rarely will the length of the nose will be less than 1/3 of this distance or more than ½ of this distance wallpaperstock.netwallpaperstock.netwallpaperstock.net

BETTY EDWARD S

CUT OFF SKULL ERROR

  • Most people think the eye level line is approximately 1/ from the top of the head this is not so
  • The eye level line ( starts at the corner of the eyes ) is approximately in the central part of the head
  • The reason that this usually occurs is because people find certain parts of the human head uninteresting compared to the actual face - Hair line - Top of head - Forehead
  • So they pay less attention to these parts and psychologically assume that they are less important which leads them to perceive these areas of the head to be physically smaller.

General Guidelines for Locating

Facial Features

  • Distance between the eyes in a frontal view is approximately 1 eye width
  • The distance from the outside corner of the eyes to the apparent edge of the head is approximately 1 eye width in a front view
  • In a frontal view of the head the total width at eye level is approximately 5 eye widths wallpaperstock.net

General Guidelines for Locating

Facial Features

  • The edges of the nostrils

form an approximate vertical

relationship with the inside

of the corner of the eyes

  • The top of the ears (where

they begin to connect to the

head ) are approximately

level with the eye-level line

wallpaperstock.net