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CRIMINAL INVESTIGATION EXAM QUESTIONS AND ANSWERS #18
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CRIMINAL INVESTIGATION EXAM QUESTIONS AND ANSWERS #18
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CRIMINAL INVESTIGATION EXAM QUESTIONS ANDANSWERS #18
What is NOT a way to ensure evidence has not been tampered with or contaminated? -
correct answer Searching a scene thoroughly
What is the best method for crime scene investigators to use to avoid spreading trace
amounts of DNA throughout the crime scene? - correct answer By using new gloves
after handling each item
Packaging evidence correctly is an essential feature of preventing evidence
contamination. - correct answer True
Personal protective equipment should only be used by medical personnel. - correct
answer False
Exposure to blood-borne pathogens is a concern for crime scene investigators. - correct
answer True
After usage, all personal protective equipment should be disposed of in the nearest
trash can - correct answer False
Which of the following is NOT a piece of personal protective equipment which must be
used on a crime scene? - correct answer Mouth guard
Which of the following is NOT a piece of information essential for maintaining the chain
of custody? - correct answer Name of all suspects
What best describes the science of projectiles and fire arms? - correct answer Ballistics
Examples of ballistic evidence? - correct answer Bullets, Cartridge cases, Ammunition
Which of the following is true about collecting individual bullets on a crime scene? -
correct answer Wrap bullets individually
What is something analysis on a fire arm would be able to identify? - correct answer
Ejection pattern, Accidental discharge, Presence of silencer
What is the first step for collecting firearm evidence? - correct answer Unload the gun
What is something investigators would be able to identify from analysis on a fiber found
on a crime scene? - correct answer Match between two samples, Origin of fiber,
Material fiber is made of
, What is something analysis of hair collected at the scene of the crime can identify? -
correct answer Match between two samples, Race of individual, Whether hair was shed
naturally or pulled out forcibly
How many individual hairs should investigators collect for samples? - correct answer 50
to 100
Fiber is best used to prove which of the following? - correct answer Contact between
two individuals or an individual and an object
Which of the following best describes trace evidence? - correct answer Small amounts
of evidence including hair, fibers, glass and paint
Which of the following is true about collecting latent prints on the scene of a crime? -
correct answer All objects containing fingerprints should be packaged and submitted if
possible
Which of the following best describes what latent prints are made of? - correct answer
Oils and sweat
Which of the following best describes finger, hand and foot prints left on the surface of
objects after contact? - correct answer Latent prints
Porous surfaces - correct answer untreated wood, paper, tissue, cardboard, fabrics
Non-Porous surfaces - correct answer glass, plastics, metals, ceramics, glossy paints
Steps for lifting prints - correct answer 1) sweep finger print dust over the surface of the
object
2) Identify usable prints
3) Photograph usable prints
4) Use clean piece of tape to pick up the powder
5) Attach tape to a clean piece of white paper
Cocaine, fentanyl, anabolic steroids and peyote are all examples of which of the
following? - correct answer Controlled substances
Paper Envelopes - correct answer plants
Leak-proof Container - correct answer liquid
Clear Plastic Bags - correct answer Powder
Pill Box Vial - correct answer tablets
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