Social Studies, 03.02.2020 23:54 oliviaschmitt0

What is the nibin?
what is rifling? what two types of markings does this produce?
what is a distance determination? how is this done?
what is the greiss test?
when a bullet is retrieved, how is it marked for identification purposes? what should be avoided?
if you found a firearm at a crime scene, what steps would you take in order to transport the weapon to the lab?
why do you think it might be useful to know the distance between a gun fired and its target?
if you were in charge of retrieving bullets at a crime scene, what steps would you take to retrieve a bullet and take it to the crime lab?
what are some of the challenges in analyzing tool marks?
why might it be important for a forensic scientist to determine the distance from a gun to a shooter?

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Answer from: dondre54

1) NIBIN stands for "The National Integrated Ballistic Information Network".It is a computer network in the United States which contains digital images of recovered pieces of ballistic evidence.

2)Rifling is the arrangement of spiral grooves on the inside of a rifle barrel.The two markings are markings on the bullets and markings on the cartridge casings.

3) Distance determination is s the process of estimating the distance between where a shot is firedand its target. This is done by looking at the shot pattern and powder residue.

4) The Greiss Test is a test that uses chemicals to develop gunpowder residue patterns, particularlyaround bullet holes

Answer from: AgentPangolin

The correct answers are:

1. The meaning of The NIBIN is the National Integrated Ballistic Identification Network.

2. Rifling stands for the spiral grooves in the gun put by the manufacturer. And the two types of markings are the grooves land on the bullet.

3. It is the process of figuring out the distance between the gun and its target. And it is done by looking at the patterns of the shot and the gun remainings.

4. The Griess Test is the one which use chemicals to see gunpowder remains patterns, especially around the bullet holes.

5. It is marked with the investigator's initials at the tip or the base. And It should be avoided to mark the sides.

6. First of all, It is necessary to be sure that the firearm is marked correctly and is put into the proper bagging. Then, see that it goes to the right place and finally the firearm in the same position that it was before.

7. it is useful on the grounds that it can determine if the shooting was an accident or the person was shot on purpose.

8. The first step is to take a picture of the crime scene, then I would be sure that the bullet is preserved properly, so the evidence is not altered. After that, the bullet is placed into a container, then taken to the crime lab, at the crime lab the bullet will be wrapped in tissue paper and placed properly in an envelope.

9. The challenges are to analyze the pieces of evidence from the tool marks that were left from the tool.

10. There is something called The Doppler Effect which the forensic use to Identify a firearm by the sound it makes.

Answer from: Quest

The correct answer is "bantu".

Answer from: Quest

Abecause it’s just i.s. i learned this

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What is the nibin?
what is rifling? what two types of markings does this produce?
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