Reconstruction
Splatter Types I
Splatter Types II
Angle of Impact
Wildcard
100
They are responsible for initially securing the crime scene and interviewing witnesses.
Who is law enforcement?
100
This type of spatter is characteristic of blood falling under it's own weight.
What is a passive blood drop?
100
This type of spatter is characterized by blood drops that are >3mm in size.
What is low velocity spatter?
100
A drop that is perfectly round or near round often as this impact angle.
What is an angle between 70 and 90 degrees.
100
This is the formula used to determine angle of impact.
What is sin(A) = Width/length
200
They are responsible for analysis of the body to determine cause of death.
Who is the medical examiner (forensic pathologist)
200
This type of spatter hits at speeds of approximately 5 to 25 ft/sec.
What is medium velocity spatter?
200
This type of spatter is created by such forces as gunshots and coughing.
What is high velocity spatter?
200
When stringing a crime scene, it is important that you place your protractor on this angle.
What is the direction of blood travel.
200
From the video, we saw the use of this chemical to help find blood that is invisible to the human eye.
What is Luminol?
300
They are responsible for the analysis of trace evidence and help to piece together the scene.
Who is the criminalist (crime scene analyst)?
300
This type of spatter is characterized by a pulsating pattern and is often very heavy, with large drops of bright red blood.
What is arterial spray spatter?
300
This type of spatter is often passive drops that run along a path and show the movement of a victim or suspect.
What is a drip trail pattern?
300
This is the two-dimensional representation of where the blood started out from.
What is area of convergence?
300
The name of the small blood drops that fly off a large blood drop when it hits a substrate.
What is a satellite drop?
400
When soft or porous, this will cause the blood stain to not spread far.
What is the substrate?
400
This type of pattern is found when an object has been moved from a location and there is no blood found where it would be expected.
What is a void?
400
This type of spatter will have mixtures of high and medium velocity spatter present and usually has a very conical or circular pattern.
What is a gunshot pattern?
400
This is the three-dimensional calculation that shows where blood came from at a crime scene.
What is area of origin?
400
True or false, a blood drop can be wider than it is long.
What is false?
500
Crime scene analysts will use this to help them to find where on a scene blood came from.
What is string?
500
This type of pattern is found when someone walks through blood and then leaves a bloody footprint.
What is a transfer pattern?
500
This type of spatter is seen when large amounts of blood collect in one area.
What is a blood pool?
500
The tail of a blood drop always points in this direction.
What is the direction the blood was travelling when it hit the surface?
500
From your murder investigation, what was the potential murder weapon found at the scene?
What is a piece of wood (log).
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