How is hair collected at a crime scene(provide only one example)?
_____________________________ is a method of analysis that determines composition of elements in a sample of hair.
Macroscopic investigation can indicate length, _____________, and curliness.
_______________ that the skin absorbs often can be detected by analysis of the hair shaft.
Phase contrast microscopy, for example, can show the presence of dye or other _________________.
In the case of Alma Tirtschke, what was missing from the crime scene despite the violence of the crime.
When Colin Ross became a suspect, what did they find in his home causing the authorities to make him the prime suspect in the case?
In 1998 a test by the _________________________________ found the hairs were not from the same scalp.
The hair shaft can be examined in sections to establish a ______________ for exposure to toxins.
_______________________ assessment of the follicle is performed first because it is cost effective and quick.
Hair can be tested to show exposure to chemicals over months at a time.
Many dyes and other hair treatments will _____________________ under a certain color of light.
Whenever two objects are in contact, some transfer of material will occur. This is known as ____________________________.
_____________ or __________________ have a coronal cuticle with scales that give the appearance of a stack of crowns.
Cats, seals, and mink have scales that are called ________________ and resemble petals.
Forensic laboratories employ technicians to compare hair samples in preparation for presentation in hearings and trials. Their work involves the use of microscopes and _______________________ of evidence.
Edmund Locard was a French criminalist who play a pivoltal role in expanding the field of forensic science. His original profession was _____________________.
Hair viewed for forensic investigations is studied both ________________________ and microscopically.
_____________________________ microscopy involves using a special objective lens and special condenser with a compound microscope.
How many body regions can hair originate on a human?
The probability of the hairs of two individuals having the same concentration of nine differfent elements is about one in a _____________________.