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Questions and Answers
Which of the following is NOT a procedure to be followed in collecting and packaging firearms evidence at the crime scene?
Which of the following is NOT a procedure to be followed in collecting and packaging firearms evidence at the crime scene?
- Marking a bullet fired on its base for identification
- Marking an empty cartridge case on its base for identification
- Unloading the weapon before shipping it to the crime laboratory
- Avoiding inserting a stick or pencil into the barrel of a weapon (correct)
Why are grooves rifled into the bore of a gun?
Why are grooves rifled into the bore of a gun?
- Manufacturer can put its unique mark on its product
- Bullet will be reduced in size before it exits the gun
- Bullet will be made to spin and have a true and accurate course on leaving the barrel (correct)
- Bullet moving through will have unique striations
What is the likelihood of detecting GSR on swabs taken from living subjects more than six hours after a firing has occurred?
What is the likelihood of detecting GSR on swabs taken from living subjects more than six hours after a firing has occurred?
- The same as the likelihood of detecting GSR with swabs taken immediately after a firing
- Not mentioned in the text
- Higher than the likelihood of detecting GSR with swabs taken immediately after a firing
- Lower than the likelihood of detecting GSR with swabs taken immediately after a firing (correct)
What is the purpose of marking a bullet fired on its base for identification?
What is the purpose of marking a bullet fired on its base for identification?
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What should be done before shipping a weapon to the crime laboratory?
What should be done before shipping a weapon to the crime laboratory?
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