Blood Spatter Pattern

The drop shown above would have more than likely been dropped from an angle of 

• 90

• 50

• 30

• 10

The lines in the picture are referred to as lines of ___.

• convergence

• agreement

• tangents

• credit

What would cause medium velocity blood spatter?

• Baseball bat

• Human hand

• Hand grenade

• Gunshot

Which letter best shows the convergence point (origin point)?

• A

• B

• C

• D

What direction did this blood come from?

• Top

• Bottom

• Left

• Right

As the angle of impact gets smaller, what happens to the tail?

• Gets longer

• Gets shorter

• Stays the same

Tags

NGSS.HS-PS2-3

We use string/lines and see where the lines cross to figure out location of blood.

• Area of Convergence

• Point of Origin

• Blood Come From Here Spot

Select ALL the measurements needed to calculate the Angle of Impact.

• Width

• Length

• Distance between drops

• Distance towards Area of Convergence

What is a bloodstain consisting of a darkened peripheral rim where the center of the stain is no longer intact?

• Walking Drip

• Wipe

• Swipe

• Skeletonized

What is the primary factor that affects the size of a blood spatter droplet?

• Height from which it falls

• Surface texture

• Angle of impact

• Velocity of the source