Blood Spatter Patterns

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

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

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

The following indicates:

• cast off

• walking drip

• splash

• medium velocity impact 

Based upon this image, how far away did a blood drop travel from the source? 

• 2.3 feet 

• 2.8 feet

• 3.4 feet

• 4.2 feet

What type of spatter creates the largest blood droplets?

• Low velocity impact

• Medium velocity impact

• High velocity impact

Tags

NGSS.HS-PS2-1

What type of blood-spatter creates the smallest blood drops?

• Low velocity impact

• Medium velocity impact

• High velocity impact

What type of pattern is created when blood is blown out of the nose, mouth, or a wound as a result of air pressure?

• Expirated blood pattern

• Cast - Off Pattern

• High Velocity Pattern

• Wipe Pattern