Blood Spatter Analysis

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

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

• 90

• 50

• 30

• 10

Tags

NGSS.MS-PS3-1

What would cause medium velocity blood spatter?

• Baseball bat

• Human hand

• Hand grenade

• Gunshot

What direction did this blood come from?

• Top

• Bottom

• Left

• Right

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

Based upon this picture, what test was done to determine whether or not a stain was blood (the picture shows a positive and negative test).

• Kastle-Meyer presumptive blood test

• Leukomalachite green presumptive blood test

• Luminol presumptive blood test

These droplets indicate blood that was dropped at different

• heights

• directions

• angles

• speeds

Which letter best shows the origin of the blood?

• A

• B

• C

• D

To determine whether a bloodstain is of human or animal origin, the serologist will perform:

• Kastle-Meyer Color Test.

• Benzidine Color Test.

• Hemastix Strip Test.

• Precipitin Test.