Glass Fracture - Entrance vs Exit
What is a radial fracture?
Fractures that extend outward from the point of income.
Glass fragments are identified by their?
Density, thickness, and their refractive index.
An entrance hole is larger or smaller than the exit hole?
An entrance hole is smaller than the exit because the bullet is going faster as it goes in and as it enters the glass slows it down.
What is a glass fracture?
Concentric cracks are fractures forming in an approximately circular pattern around the point of impact. Radial cracks are fractures extending outward from the point of impact.
Concentric circle are called what?
Center circles.
How can you determine the direction the glass was broken?
Find the sharply tapered pieces nearest to the hole. Be sure you know which is the inside and look at the glass from the side.
Is the entrance hole larger or smaller than exit?
Smaller.
When the bullet goes through glass.
The exit hole is larger.
What differences will be seen in shots fired from different angles?
The shape of entrance and exit changes
Why is the exit hole of a bullet larger?
They are usually larger than the entrance hole because as the round moves through glass, it slows down.