Don't miss a thing by getting the day's biggest stories sent direct to your inbox Before advances in computer technology, a drawing or a photo-fit of a suspect in a crime was a common tool for detectives.
Now, when the victim of a crime does not know the culprit, in the absence of a drawing or photograph, police forces sometimes issue an e-fit depicting the likeness of an offender.
E-fit, or Electronic Facial Identification Technique technology, is the modern version of the police sketch or photo-fit. With the help of a witness, police software generates a face to try and build an accurate representation of the suspect.
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