Post-mortem changes to bone

Question 1

What are the 2 classifications of dismemberment?

Answer 1

• localised: removing body parts that aid in ID (Fingers, teeth), selectively removing parts for easy disposal
• generalised: dismembering body in multiple places> joints

Question 2

What are the 2 types of saws?

Answer 2

• power saw: straight blade or circular blade, chainsaw
• handsaw

Question 3

What are the 3 types of marks caused by saws on bone?

Answer 3

• superficial false start scratches: before teeth of blade start biting into materials
• false starts kerf: when blade gets stuck
• sectioned bone cut

Question 4

What are the differences in marks caused by power saws and hand saws?

Answer 4

• power saws: uniform, fine striations
• hand saws: irregular, more prominent striations

Question 5

What is breakaway spur?

Answer 5

natural break that occurs because this area is weaker than the area above it