Module 2 Final
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In the O.J. Simpson there were many items covered in blood were found as evidence. Both the item and the blood are considered trace evidence. (T&F)
False
4 specific examples of trace evidence found by the LAPD at the crime scene and/or at the O.J. Simpson estate.
• Blue/black fibres found on Ron Goldman’s that matched the fibres on socks found in O.J.’s bedroom • The blood found on a glove at the crime scene that matches a glove found in O.J.’s guest house • Hairs found on Ron Goldman’s shirt and inside the knit cap discovered at the crime scene • Cat hair found on the knit cap at the crime scene matched cat hair found on O.J.’s couch
A forensic scientist is trying to identify the source of numerous hair samples found on a homicide victim. The hairs all display frayed root tips, spinous cuticle scales and unisereal medullas. What is the source of this hair?
A cat
DNA analysis is completed for all hair samples found at crime scenes. (T&F)
False
When is DNA analysis done in an investigation?
Only during investigations of serious, violent crimes
What type of fibres are the most helpful to investigators?
Unique Fibres
What is examples of uncommon natural fibres?
Mohair, sisal
Fibre evidence is ____ to individualize because manufacturers produce ___ types of fabrics and they use ____ fabrics for many types of items.
• Difficult • Many • The same
As the number of fibres found linking the victims to Wayne Williams ____ the likelihood that he is the killer ____ because it is ____ that 2 murder victims would have contact with the same person before their deaths.
• Increases • Increases • Unllikely