Examining a pane of glass that has been struck by high-speed projectiles can sometimes lead the forensic investigator to determine the order of the fire shots. High-speed projectiles will form craters in glass that is larger on the exit side of the glass; radial cracks are cracks that radiate out in all directions from the point of impact and concentric cracks appear on the side of the direction of the impact. Radial cracks will stop when they meet other cracks in the glass.
Examine the document below with the five bullet holes in the glass. Use your powers of observation and reasoning skills to determine the order, if possible, of bullet holes A-E.
Unit 3 Assignment
Bullet Holes in Glass
Examining a pane of glass that has been struck by high-speed projectiles can sometimes lead the
forensic investigator to determine the order of the fire shots. High-speed projectiles will form
craters in glass that is larger on the exit side of the glass; radial cracks are cracks that radiate out
in all directions from the point of impact and concentric cracks appear on the side of the
direction of the impact. Radial cracks will stop when they meet other cracks in the glass. Review
pages 419-426 in the course text and then examine the document below with the five bullet holes
in glass. Use your powers of observation and reasoning skills to determine the order, if possible,
of bullet holes A-E. Write a 2-3 page report of your findings and detail how you reached your
conclusions.A
???
D
C