The burglar had to shoot through a lock when breaking in to steal the artwork. You can help to solve the crime by learning all aboutanalysis, in guns, firing pins, and the chemical side of . On this page you can explore different types of /firing pins and how they differ, and then try a quiz testing your knowledge on , firing pins, and .
When the trigger of a gun is pulled, a small hammer called the firingis pushed into the bottom of the cartridge casing. This causes the to explode. This is a key piece of evidence as the firing leaves an indent in the bottom of the casing which will only match an individual gun or type of gun. Some pins will hit the edge of the case and some will hit the middle. You can see two firing impressions below.
Firing pins aren’t the only type ofevidence that we can use in a case, and the quiz below will test your knowledge not only of firing pins, but also of and .