Hosted by Mrs. Koenig

Looks Scary Big Shots Force of Nature Evidence

Row 1, Col 1 The firearm pictured on the left is specifically called this and the firearm pictured on the right is specifically called this. What is a pistol and a revolver?

1,2 This is the first step in firing a firearm. What is pulling the trigger?

1,3 This is how an impression is made. What is a harder object interacts with a softer object with enough force to leave a mark?

1,4 After photographing a crime scene thoroughly, this is the next step in collecting firearm evidence. What is making sure firearm is unloaded?

2,1 This is the specific type of firearm pictured below. What is a shotgun?

2,2 This is the abbreviation for gun powder residue. What is GSR?

2,3 True/False: All firearms are manufactured using a rifling process. What is False?

2,4 These are markings left on a bullet after passing through a barrel that has been rifled. They are very useful in comparing test bullets with evidence bullets. What are striations?

This is the specific type of firearm pictured on the left and then on the right. 3,1 What is a bolt action rifle and a lever action rifle?

3,2 In the diagram to the right, A, B, C, and D are these respectively. What is the bullet, casing, propellant, and primer? A B C D

3,3 These are the raised portions on a bullet. What are the grooves?

3,4 This is the most common substance that test bullets are fired into. What is water?

4,1 This is the specific type of wound pictured to the right. What is a contact gunshot wound?

4,2 This is what a shotgun shell contains that rifle or handgun ammunition does not. What is the wad and the shots?

4,3 These are 3 of the 5 markings that might be left on the cartridge case. What are the firing pin, breechblock, ejector, extractor, and chamber marks?

4,4 This is all the places where gun shot residue is likely to be found. What is on the hands of the shooter, on the victim, clothing, or target?

5,1 These two pieces of evidence are obvious from this gunshot wound. What is powder tatooing and bullet tumbling?

5,2 List the sequence of events that occurs once the trigger is pulled on a firearm. What is releases firing pin, strikes primer, ignites gun powder, propels the bullet out by gas pressure and ejects the spent cartridge?

5,3 This type of firearm fires ammunition with the greatest amount of kinetic energy. What is a shotgun?

5,4 This is what NIBIN stands for. What is the national integrated ballistics information network?