Review for Forensic Science Spring Final Exam. Ballistics Rifling sequence.

Review for Forensic Science Spring Final Exam

Ballistics

• Rifling

• sequence

Cartridge

• Bullet

• Case

• Cartridge

• Primer

Bullet VS Case

• Lands and grooves

• Firing pin

• ejector

Trajectory

• 2 reference points

• Shooters location

Blood SpatterPassive, Projected, Transferred

Direction

Angle of Impact

Spikes and Spinessatellites

1st 3 steps

• Is it blood?

• Is it human?

• Determine type. A B AB O

• Class vs individual evidence

What can we Learn?

• 1. Distance from the blood source to the target

• 2. Direction of travel and impact angles

• 3. Nature of the force used to cause the bloodshed

• 4. The object used to cause the bloodshed

• 5. Sequencing of multiple bloodshed events

• 6.Interpretation of contact or transfer patterns

Handwriting

• Exemplar