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Glass Fractures bsapp.com

Glass How broken? Link a suspect to a crime scene Fingerprints Blood bsapp.com

Fractures Concentric Radial bsapp.com

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Direction of Penetration A projectile hole is inevitably wider at the exit side bsapp.com

Direction of Penetration Radial Concentric bsapp.com

Stress Marks The perpendicular edge of stress marks always face the surface on which the crack originated bsapp.com

Successive Penetrations A fracture always terminates at an existing line of fracture bsapp.com

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